Build framework with bitcode - ios

Question

Im trying to create an universal framework from one of the targets in my project. I have used a few scripts, I have found on the internet, but I have one problem - the final framework, doesn't seem to include bitcode. This is the script, that I'm using to create this framework:
UNIVERSAL_OUTPUT_DIR=${BUILD_DIR}/${CONFIGURATION}-universal
RELEASE_DIR=${PROJECT_DIR}/build
TARGET="Observation"
mkdir -p "${UNIVERSAL_OUTPUT_DIR}"
xcodebuild BITCODE_GENERATION_MODE=bitcode -target "${TARGET}" ONLY_ACTIVE_ARCH=NO -configuration ${CONFIGURATION} BUILD_DIR="${BUILD_DIR}" BUILD_ROOT="${BUILD_ROOT}" clean build -sdk iphoneos
xcodebuild BITCODE_GENERATION_MODE=bitcode -target "${TARGET}" ONLY_ACTIVE_ARCH=NO -configuration ${CONFIGURATION} BUILD_DIR="${BUILD_DIR}" BUILD_ROOT="${BUILD_ROOT}" clean build -sdk iphonesimulator
cp -R "${BUILD_DIR}/${CONFIGURATION}-iphoneos/${TARGET}.framework" "${UNIVERSAL_OUTPUT_DIR}/"
SIMULATOR_SWIFT_MODULES_DIR="${BUILD_DIR}/${CONFIGURATION}-iphonesimulator/${TARGET}.framework/Modules/${TARGET}.swiftmodule/."
if [ -d "${SIMULATOR_SWIFT_MODULES_DIR}" ]; then
cp -R "${SIMULATOR_SWIFT_MODULES_DIR}" "${UNIVERSAL_OUTPUT_DIR}/${TARGET}.framework/Modules/${TARGET}.swiftmodule"
fi
lipo -create -output "${UNIVERSAL_OUTPUT_DIR}/${TARGET}.framework/${TARGET}" "${BUILD_DIR}/${CONFIGURATION}-iphonesimulator/${TARGET}.framework/${TARGET}" "${BUILD_DIR}/${CONFIGURATION}-iphoneos/${TARGET}.framework/${TARGET}"
cp -R "${UNIVERSAL_OUTPUT_DIR}/${TARGET}.framework" "${RELEASE_DIR}"
open "${RELEASE_DIR}"
And when I try to use it, I get this error:
ld: '/Users/homedudycz/Desktop/Test/Test/Observation.framework/Observation' does not contain bitcode. You must rebuild it with bitcode enabled (Xcode setting ENABLE_BITCODE), obtain an updated library from the vendor, or disable bitcode for this target. file '/Users/homedudycz/Desktop/Test/Test/Observation.framework/Observation' for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Can someone help me with this?