Error with firebase Auth when starting ): - ios

objc[4129]: Class PLBuildVersion is implemented in both /Applications/ Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk/System/Library/PrivateFrameworks/AssetsLibraryServices.framework/AssetsLibraryServices (0x11d1ec998) and /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk/System/Library/PrivateFrameworks/PhotoLibraryServices.framework/PhotoLibraryServices (0x11d00e880). One of the two will be used. Which one is undefined.
2017-01-31 20:28:24.620 Reminder[4129:144700] WARNING: Firebase Analytics App Delegate Proxy is disabled. To log deep link campaigns manually, call the methods in FIRAnalytics+AppDelegate.h.
2017-01-31 20:28:24.917 Reminder[4129:144700] *** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<Reminder.LoginViewController 0x7fbeabd0a6f0> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key Password.'
*** First throw call stack:
(
0 CoreFoundation 0x000000010c196d4b __exceptionPreprocess + 171
1 libobjc.A.dylib 0x000000010bbf821e objc_exception_throw + 48
2 CoreFoundation 0x000000010c196c99 -[NSException raise] + 9
3 Foundation 0x000000010b7069df -[NSObject(NSKeyValueCoding) setValue:forKey:] + 291
4 UIKit 0x000000010c755293 -[UIViewController setValue:forKey:] + 88
5 UIKit 0x000000010c9c979e -[UIRuntimeOutletConnection connect] + 109
6 CoreFoundation 0x000000010c13b9e0 -[NSArray makeObjectsPerformSelector:] + 256
7 UIKit 0x000000010c9c8122 -[UINib instantiateWithOwner:options:] + 1867
8 UIKit 0x000000010c75b9c5 -[UIViewController _loadViewFromNibNamed:bundle:] + 386
9 UIKit 0x000000010c75c2e7 -[UIViewController loadView] + 177
10 UIKit 0x000000010c75c61c -[UIViewController loadViewIfRequired] + 201
11 UIKit 0x000000010c75ce70 -[UIViewController view] + 27
12 UIKit 0x000000010c6264b5 -[UIWindow addRootViewControllerViewIfPossible] + 71
13 UIKit 0x000000010c626c06 -[UIWindow _setHidden:forced:] + 293
14 UIKit 0x000000010c63a519 -[UIWindow makeKeyAndVisible] + 42
15 UIKit 0x000000010c5b2f8d -[UIApplication _callInitializationDelegatesForMainScene:transitionContext:] + 4818
16 UIKit 0x000000010c5b90ed -[UIApplication _runWithMainScene:transitionContext:completion:] + 1731
17 UIKit 0x000000010c5b626d -[UIApplication workspaceDidEndTransaction:] + 188
18 FrontBoardServices 0x0000000111bbc6cb __FBSSERIALQUEUE_IS_CALLING_OUT_TO_A_BLOCK__ + 24
19 FrontBoardServices 0x0000000111bbc544 -[FBSSerialQueue _performNext] + 189
20 FrontBoardServices 0x0000000111bbc8cd -[FBSSerialQueue _performNextFromRunLoopSource] + 45
21 CoreFoundation 0x000000010c13b761 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
22 CoreFoundation 0x000000010c12098c __CFRunLoopDoSources0 + 556
23 CoreFoundation 0x000000010c11fe76 __CFRunLoopRun + 918
24 CoreFoundation 0x000000010c11f884 CFRunLoopRunSpecific + 420
25 UIKit 0x000000010c5b4aea -[UIApplication _run] + 434
26 UIKit 0x000000010c5bac68 UIApplicationMain + 159
27 Reminder 0x000000010a4a94bf main + 111
28 libdyld.dylib 0x000000010e86868d start + 1
29 ??? 0x0000000000000001 0x0 + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException
(lldb)
Get this when starting the app when I goto a view with firebase auth enabled.
The Worst thing is even when I remove the firebase auth and just have blank view it won't work

Forgot to add the FIRApp.configure() into the App delegate

Related

xcode: class is not key value coding-compliant [duplicate]

This question already has answers here:
Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant for the key X" error?
(79 answers)
Closed 5 years ago.
I'm currently working myself through this tutorial:
https://developer.apple.com/library/content/referencelibrary/GettingStarted/DevelopiOSAppsSwift/ConnectTheUIToCode.html#//apple_ref/doc/uid/TP40015214-CH22-SW1
After creating the function for the button(at ~2/3 on the page) I tried running the code and got the Exception:
2017-12-08 11:24:31.343183+0100 FoodTracker[2159:154603] ***
Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<FoodTracker.ViewController 0x7fea6f406820> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key setDefaultLabelText.'
*** First throw call stack:
(
0 CoreFoundation 0x0000000109d7512b __exceptionPreprocess + 171
1 libobjc.A.dylib 0x00000001060fcf41 objc_exception_throw + 48
2 CoreFoundation 0x0000000109d75079 -[NSException raise] + 9
3 Foundation 0x0000000105b1ba63 -[NSObject(NSKeyValueCoding) setValue:forKey:] + 292
4 UIKit 0x0000000106b39117 -[UIViewController setValue:forKey:] + 87
5 UIKit 0x0000000106e2ac2d -[UIRuntimeOutletConnection connect] + 109
6 CoreFoundation 0x0000000109d183cd -[NSArray makeObjectsPerformSelector:] + 317
7 UIKit 0x0000000106e295e3 -[UINib instantiateWithOwner:options:] + 1856
8 UIKit 0x0000000106b403ff -[UIViewController _loadViewFromNibNamed:bundle:] + 383
9 UIKit 0x0000000106b40d2b -[UIViewController loadView] + 177
10 UIKit 0x0000000106b4105c -[UIViewController loadViewIfRequired] + 195
11 UIKit 0x0000000106b418b9 -[UIViewController view] + 27
12 UIKit 0x0000000106a0c7cf -[UIWindow addRootViewControllerViewIfPossible] + 122
13 UIKit 0x0000000106a0ced7 -[UIWindow _setHidden:forced:] + 294
14 UIKit 0x0000000106a1fe54 -[UIWindow makeKeyAndVisible] + 42
15 UIKit 0x00000001069928b8 -[UIApplication _callInitializationDelegatesForMainScene:transitionContext:] + 4737
16 UIKit 0x0000000106997aeb -[UIApplication _runWithMainScene:transitionContext:completion:] + 1720
17 UIKit 0x0000000106d616f8 __111-[__UICanvasLifecycleMonitor_Compatability _scheduleFirstCommitForScene:transition:firstActivation:completion:]_block_invoke + 924
18 UIKit 0x00000001071374c8 +[_UICanvas _enqueuePostSettingUpdateTransactionBlock:] + 153
19 UIKit 0x0000000106d612f1 -[__UICanvasLifecycleMonitor_Compatability _scheduleFirstCommitForScene:transition:firstActivation:completion:] + 249
20 UIKit 0x0000000106d61b6b -[__UICanvasLifecycleMonitor_Compatability activateEventsOnly:withContext:completion:] + 696
21 UIKit 0x00000001076dfa69 __82-[_UIApplicationCanvas _transitionLifecycleStateWithTransitionContext:completion:]_block_invoke + 262
22 UIKit 0x00000001076df922 -[_UIApplicationCanvas _transitionLifecycleStateWithTransitionContext:completion:] + 444
23 UIKit 0x00000001073bc9c8 __125-[_UICanvasLifecycleSettingsDiffAction performActionsForCanvas:withUpdatedScene:settingsDiff:fromSettings:transitionContext:]_block_invoke + 221
24 UIKit 0x00000001075bbb06 _performActionsWithDelayForTransitionContext + 100
25 UIKit 0x00000001073bc88b -[_UICanvasLifecycleSettingsDiffAction performActionsForCanvas:withUpdatedScene:settingsDiff:fromSettings:transitionContext:] + 231
26 UIKit 0x0000000107136b25 -[_UICanvas scene:didUpdateWithDiff:transitionContext:completion:] + 392
27 UIKit 0x000000010699636a -[UIApplication workspace:didCreateScene:withTransitionContext:completion:] + 523
28 UIKit 0x0000000106f71605 -[UIApplicationSceneClientAgent scene:didInitializeWithEvent:completion:] + 369
29 FrontBoardServices 0x000000010bc38cc0 -[FBSSceneImpl _didCreateWithTransitionContext:completion:] + 338
30 FrontBoardServices 0x000000010bc417b5 __56-[FBSWorkspace client:handleCreateScene:withCompletion:]_block_invoke_2 + 235
31 libdispatch.dylib 0x000000010ae9733d _dispatch_client_callout + 8
32 libdispatch.dylib 0x000000010ae9c9f3 _dispatch_block_invoke_direct + 592
33 FrontBoardServices 0x000000010bc6d498 __FBSSERIALQUEUE_IS_CALLING_OUT_TO_A_BLOCK__ + 24
34 FrontBoardServices 0x000000010bc6d14e -[FBSSerialQueue _performNext] + 464
35 FrontBoardServices 0x000000010bc6d6bd -[FBSSerialQueue _performNextFromRunLoopSource] + 45
36 CoreFoundation 0x0000000109d18101 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
37 CoreFoundation 0x0000000109db7f71 __CFRunLoopDoSource0 + 81
38 CoreFoundation 0x0000000109cfca19 __CFRunLoopDoSources0 + 185
39 CoreFoundation 0x0000000109cfbfff __CFRunLoopRun + 1279
40 CoreFoundation 0x0000000109cfb889 CFRunLoopRunSpecific + 409
41 GraphicsServices 0x000000010c5019c6 GSEventRunModal + 62
42 UIKit 0x00000001069995d6 UIApplicationMain + 159
43 FoodTracker 0x00000001057e7b67 main + 55
44 libdyld.dylib 0x000000010af13d81 start + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException
(lldb)
Here is my Code:
And the connections inspector of the button:
This is due to FoodTracker VC in storyboard has an outlet created but not connected.
How to resolve the issue? Follow these steps.
Open your storyboard, click on view controller below view controller scene.
Check for all outlets for ViewController.
Remove those outlets created and are not connected to ViewController.swift implementation file.
Keep me updated on the same.
Check your connection to #IBAction with this steps below:
In the storyboard:
In your view controller:
Updated:
In your case, you should remove connection in Reference Outlets because you connect it to the label outlet.

Where can i find the source of my Sigabrt error?

I'm quite new to Xcode and Swift and in many of my previous projects I kept getting a Thread 1: signal SIGABRT error. I can't discern what the problem is from the error report. Can someone help find the source of the error itself. This is the error report:
2017-05-03 11:10:02.608 coin op[18988:750658] *** Terminating app due to uncaught exception 'NSUnknownKeyException', reason:
'[<coin_op.ViewController 0x7f9b33522250> setValue:forUndefinedKey:]:
this class is not key value coding-compliant for the key test.'
*** First throw call stack:
(
0 CoreFoundation 0x000000010bfedd85 __exceptionPreprocess + 165
1 libobjc.A.dylib 0x000000010dd91deb objc_exception_throw + 48
2 CoreFoundation 0x000000010bfed9c9 -[NSException raise] + 9
3 Foundation 0x000000010c3bf19b -[NSObject(NSKeyValueCoding) setValue:forKey:] + 288
4 UIKit 0x000000010c9a8d0c -[UIViewController setValue:forKey:] + 88
5 UIKit 0x000000010cbdf7fb -[UIRuntimeOutletConnection connect] + 109
6 CoreFoundation 0x000000010bf27890 -[NSArray makeObjectsPerformSelector:] + 224
7 UIKit 0x000000010cbde1de -[UINib instantiateWithOwner:options:] + 1864
8 UIKit 0x000000010c9af8d6 -[UIViewController _loadViewFromNibNamed:bundle:] + 381
9 UIKit 0x000000010c9b0202 -[UIViewController loadView] + 178
10 UIKit 0x000000010c9b0560 -[UIViewController loadViewIfRequired] + 138
11 UIKit 0x000000010c9b0cd3 -[UIViewController view] + 27
12 UIKit 0x000000010c886fb4 -[UIWindow addRootViewControllerViewIfPossible] + 61
13 UIKit 0x000000010c88769d -[UIWindow _setHidden:forced:] + 282
14 UIKit 0x000000010c899180 -[UIWindow makeKeyAndVisible] + 42
15 UIKit 0x000000010c80ded9 -[UIApplication _callInitializationDelegatesForMainScene:transitionContext:] + 4131
16 UIKit 0x000000010c814568 -[UIApplication _runWithMainScene:transitionContext:completion:] + 1769
17 UIKit 0x000000010c811714 -[UIApplication workspaceDidEndTransaction:] + 188
18 FrontBoardServices 0x000000010fc228c8 __FBSSERIALQUEUE_IS_CALLING_OUT_TO_A_BLOCK__ + 24
19 FrontBoardServices 0x000000010fc22741 -[FBSSerialQueue _performNext] + 178
20 FrontBoardServices 0x000000010fc22aca -[FBSSerialQueue _performNextFromRunLoopSource] + 45
21 CoreFoundation 0x000000010bf13301 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
22 CoreFoundation 0x000000010bf0922c __CFRunLoopDoSources0 + 556
23 CoreFoundation 0x000000010bf086e3 __CFRunLoopRun + 867
24 CoreFoundation 0x000000010bf080f8 CFRunLoopRunSpecific + 488
25 UIKit 0x000000010c810f21 -[UIApplication _run] + 402
26 UIKit 0x000000010c815f09 UIApplicationMain + 171
27 coin op 0x000000010bdffe12 main + 114
28 libdyld.dylib 0x000000010e85592d start + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException
(lldb)
The crucial information is:
[UIViewController setValue:forKey:] this class is not key value coding-compliant for the key test.
[UIRuntimeOutletConnection connect]
That leads to a dead connection in Interface Builder
Press ⇧⌘F
Type test and return
Go thru the search results and select the one pointing to Interface Builder.
Disconnect the dead outlet.

My app crashes at launch [duplicate]

This question already has answers here:
Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant for the key X" error?
(79 answers)
Closed 6 years ago.
For some reason when I run my app , the app crashes then in Xcode it takes me to app delegate. The error message is given to me at the top(where "the class AppDelegate: UIResponder, UIApplicationDelegate" is). The error message is "Thread 1: Signal SIGABRT". As I am only a novice in programming, I have no idea what this means, and have found no help online. Here are screenshots of what I get in Xcode. This is not the duplicate of the other problem, because my problem was why Xcode takes me to app delegate and shows me the SIGABRT ERROR. I just didn't know what I was supposed to do after that.FYI-I did not know in the console errors pop up there
This is what is my console:
2017-01-23 17:58:27.966 TIP CALCULATOR[53908:2610390] *** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<TIP_CALCULATOR.ViewController 0x7fbc53d0add0> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key calculateButtonPressed.'
*** First throw call stack:
(
0 CoreFoundation 0x000000010a9a9d4b __exceptionPreprocess + 171
1 libobjc.A.dylib 0x000000010788321e objc_exception_throw + 48
2 CoreFoundation 0x000000010a9a9c99 -[NSException raise] + 9
3 Foundation 0x00000001073919df -[NSObject(NSKeyValueCoding) setValue:forKey:] + 291
4 UIKit 0x000000010830e293 -[UIViewController setValue:forKey:] + 88
5 UIKit 0x000000010858279e -[UIRuntimeOutletConnection connect] + 109
6 CoreFoundation 0x000000010a94e9e0 -[NSArray makeObjectsPerformSelector:] + 256
7 UIKit 0x0000000108581122 -[UINib instantiateWithOwner:options:] + 1867
8 UIKit 0x00000001083149c5 -[UIViewController _loadViewFromNibNamed:bundle:] + 386
9 UIKit 0x00000001083152e7 -[UIViewController loadView] + 177
10 UIKit 0x000000010831561c -[UIViewController loadViewIfRequired] + 201
11 UIKit 0x0000000108315e70 -[UIViewController view] + 27
12 UIKit 0x00000001081df4b5 -[UIWindow addRootViewControllerViewIfPossible] + 71
13 UIKit 0x00000001081dfc06 -[UIWindow _setHidden:forced:] + 293
14 UIKit 0x00000001081f3519 -[UIWindow makeKeyAndVisible] + 42
15 UIKit 0x000000010816bf8d -[UIApplication _callInitializationDelegatesForMainScene:transitionContext:] + 4818
16 UIKit 0x00000001081720ed -[UIApplication _runWithMainScene:transitionContext:completion:] + 1731
17 UIKit 0x000000010816f26d -[UIApplication workspaceDidEndTransaction:] + 188
18 FrontBoardServices 0x000000010c10f6cb __FBSSERIALQUEUE_IS_CALLING_OUT_TO_A_BLOCK__ + 24
19 FrontBoardServices 0x000000010c10f544 -[FBSSerialQueue _performNext] + 189
20 FrontBoardServices 0x000000010c10f8cd -[FBSSerialQueue _performNextFromRunLoopSource] + 45
21 CoreFoundation 0x000000010a94e761 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
22 CoreFoundation 0x000000010a93398c __CFRunLoopDoSources0 + 556
23 CoreFoundation 0x000000010a932e76 __CFRunLoopRun + 918
24 CoreFoundation 0x000000010a932884 CFRunLoopRunSpecific + 420
25 UIKit 0x000000010816daea -[UIApplication _run] + 434
26 UIKit 0x0000000108173c68 UIApplicationMain + 159
27 TIP CALCULATOR 0x000000010729cf9f main + 111
28 libdyld.dylib 0x000000010b95968d start + 1
29 ??? 0x0000000000000001 0x0 + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException
(lldb)
Check if there are non valid connections between your UI elements and code in the connections inspector

Simple Swift Stepper error [duplicate]

This question already has answers here:
Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant for the key X" error?
(79 answers)
Closed 6 years ago.
I'm new to Swift and am experimenting with things such as the stepper. I followed online step-by-step instructions on how to make one but I'm getting an error (Attached below) and I am not quite understanding where the issue is.
Error:
2016-06-04 04:31:15.832 numChsnger[12025:1111078] *** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<numChsnger.ViewController 0x7fc082695990> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key stepper.'
*** First throw call stack:
(
0 CoreFoundation 0x0000000102328d85 __exceptionPreprocess + 165
1 libobjc.A.dylib 0x00000001040ccdeb objc_exception_throw + 48
2 CoreFoundation 0x00000001023289c9 -[NSException raise] + 9
3 Foundation 0x00000001026fa19b -[NSObject(NSKeyValueCoding) setValue:forKey:] + 288
4 UIKit 0x0000000102ce3d0c -[UIViewController setValue:forKey:] + 88
5 UIKit 0x0000000102f1a7fb -[UIRuntimeOutletConnection connect] + 109
6 CoreFoundation 0x0000000102262890 -[NSArray makeObjectsPerformSelector:] + 224
7 UIKit 0x0000000102f191de -[UINib instantiateWithOwner:options:] + 1864
8 UIKit 0x0000000102cea8d6 -[UIViewController _loadViewFromNibNamed:bundle:] + 381
9 UIKit 0x0000000102ceb202 -[UIViewController loadView] + 178
10 UIKit 0x0000000102ceb560 -[UIViewController loadViewIfRequired] + 138
11 UIKit 0x0000000102cebcd3 -[UIViewController view] + 27
12 UIKit 0x0000000102bc1fb4 -[UIWindow addRootViewControllerViewIfPossible] + 61
13 UIKit 0x0000000102bc269d -[UIWindow _setHidden:forced:] + 282
14 UIKit 0x0000000102bd4180 -[UIWindow makeKeyAndVisible] + 42
15 UIKit 0x0000000102b48ed9 -[UIApplication _callInitializationDelegatesForMainScene:transitionContext:] + 4131
16 UIKit 0x0000000102b4f568 -[UIApplication _runWithMainScene:transitionContext:completion:] + 1769
17 UIKit 0x0000000102b4c714 -[UIApplication workspaceDidEndTransaction:] + 188
18 FrontBoardServices 0x0000000105f5d8c8 __FBSSERIALQUEUE_IS_CALLING_OUT_TO_A_BLOCK__ + 24
19 FrontBoardServices 0x0000000105f5d741 -[FBSSerialQueue _performNext] + 178
20 FrontBoardServices 0x0000000105f5daca -[FBSSerialQueue _performNextFromRunLoopSource] + 45
21 CoreFoundation 0x000000010224e301 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
22 CoreFoundation 0x000000010224422c __CFRunLoopDoSources0 + 556
23 CoreFoundation 0x00000001022436e3 __CFRunLoopRun + 867
24 CoreFoundation 0x00000001022430f8 CFRunLoopRunSpecific + 488
25 UIKit 0x0000000102b4bf21 -[UIApplication _run] + 402
26 UIKit 0x0000000102b50f09 UIApplicationMain + 171
27 numChsnger 0x0000000102144382 main + 114
28 libdyld.dylib 0x0000000104b9092d start + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException
View:
Check if your stepper has a redundant outlet in your storyboard. Right click on the stepper object in Storyboard and check if there is any outlet you don't want.
Also. Remove #Iboutlet var textV:UILabel! or reconnect it with the Label in your storyboard and the error will be gone.

Thread 1: signal SIGABRT (log content included)

I just got started with obj-c Xcode and iPhone development...
I have read that the SIGABRT error is a crash, an uncaught expectation and I need to look trough the log to correct it but I don't know how to do it
Log:
2014-05-28 14:25:55.492 ctpp[558:60b] Cannot find executable for CFBundle 0xaa8b870 ​ </Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/ SDKs/iPhoneSimulator7.1.sdk/System/Library/AccessibilityBundles/CertUIFramework.axbundle> (not loaded)
2014-05-28 14:25:55.550 ctpp[558:60b] *** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<ViewController 0x8cbc260> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key elso.'
*** First throw call stack:
(
​0 CoreFoundation 0x017f31e4 __exceptionPreprocess + 180
1 libobjc.A.dylib 0x015728e5 objc_exception_throw + 44
2 CoreFoundation 0x01882fe1 -[NSException raise] + 17
3 Foundation 0x01232d9e -[NSObject(NSKeyValueCoding) setValue:forUndefinedKey:] + 282
4 Foundation 0x0119f1d7 _NSSetUsingKeyValueSetter + 88
5 Foundation 0x0119e731 -[NSObject(NSKeyValueCoding) setValue:forKey:] + 267
6 Foundation 0x01200b0a -[NSObject(NSKeyValueCoding) setValue:forKeyPath:] + 412
7 UIKit 0x004e91f4 -[UIRuntimeOutletConnection connect] + 106
8 libobjc.A.dylib 0x015847de -[NSObject performSelector:] + 62
9 CoreFoundation 0x017ee76a -[NSArray makeObjectsPerformSelector:] + 314
10 UIKit 0x004e7d4d -[UINib instantiateWithOwner:options:] + 1417
11 UIKit 0x003506f5 -[UIViewController _loadViewFromNibNamed:bundle:] + 280
12 UIKit 0x00350e9d -[UIViewController loadView] + 302
13 UIKit 0x003510d3 -[UIViewController loadViewIfRequired] + 78
14 UIKit 0x003515d9 -[UIViewController view] + 35
15 UIKit 0x00271267 -[UIWindow addRootViewControllerViewIfPossible] + 66
16 UIKit 0x002715ef -[UIWindow _setHidden:forced:] + 312
17 UIKit 0x0027186b -[UIWindow _orderFrontWithoutMakingKey] + 49
18 UIKit 0x0dc6a587 - [UIWindowAccessibility(SafeCategory) _orderFrontWithoutMakingKey] + 77
19 UIKit 0x0027c3c8 -[UIWindow makeKeyAndVisible] + 65
20 UIKit 0x0022cbc0 -[UIApplication _callInitializationDelegatesForURL:payload:suspended:] + 2097
​21 UIKit 0x00231667 -[UIApplication _runWithURL:payload:launchOrientation:statusBarStyle:statusBarHidden:] + 824
22 UIKit 0x00245f92 -[UIApplication handleEvent:withNewEvent:] + 3517
23 UIKit 0x00246555 -[UIApplication sendEvent:] + 85
24 UIKit 0x00233250 _UIApplicationHandleEvent + 683
25 GraphicsServices 0x037e8f02 _PurpleEventCallback + 776
26 GraphicsServices 0x037e8a0d PurpleEventCallback + 46
27 CoreFoundation 0x0176eca5 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 53
​28 CoreFoundation 0x0176e9db __CFRunLoopDoSource1 + 523
29 CoreFoundation 0x0179968c __CFRunLoopRun + 2156
​30 CoreFoundation 0x017989d3 CFRunLoopRunSpecific + 467
31 CoreFoundation 0x017987eb CFRunLoopRunInMode + 123
32 UIKit 0x00230d9c -[UIApplication _run] + 840
33 UIKit 0x00232f9b UIApplicationMain + 1225
34 ctpp 0x00005bcd main + 141
35 libdyld.dylib 0x01e3a701 start + 1
36 ??? 0x00000001 0x0 + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException
Look at this part closely:
reason: '[<ViewController 0x8cbc260> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key elso.'
Somewhere you are using the key 'elso'. Is this the right key or a typo? Looks like a weird key to me, it doesn't tell me anything about the value it points to.

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