Iphone App locks up at splash screen when i perform build - ios

I have migrated my Iphone app to the 64 bit platform
using xcode the app builds successfully and i am able to create the archive and successfully and it passes itunes validation
Progress !!!
However when i connect my iphone to build and test the app the app opens and loads the splash screen and then locks up
I would appreciate some assistance in interpreting the error code below and advise on what i need to do to remedy the same. As i an relatively new to app development the references in the error message below mean nothing to me
the error message shown in xcode is as follows:
*** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<UIApplication 0x15d56930> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key view.'
*** First throw call stack:
(0x2a46e49f 0x37c24c8b 0x2a46e1a9 0x2b0d4f59 0x2b0e71af 0x2a3be81d 0x2dcee421 0x2dcefd2d 0x2db934eb 0x2db92889 0x2db9d209 0x2db91217 0x30bff0d1 0x2a434d7d 0x2a434041 0x2a4327c3 0x2a3803c1 0x2a3801d3 0x2d9951bf 0x2d98ffa1 0xe86f3 0x381a4aaf)
libc++abi.dylib: terminating with uncaught exception of type NSException
(lldb)

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