Carthage update in project getting terminated

[pushp1989]

If you run the command:
usr/bin/xcrun xcodebuild -workspace Example/RazzleDazzle.xcworkspace -scheme RazzleDazzle -configuration Release -derivedDataPath /Users/apple/Library/Caches/org.carthage.CarthageKit/DerivedData/11.0_11A419c/RazzleDazzle/acfa6d2416614b2efc07669754312c8797442a0c -sdk iphoneos ONLY_ACTIVE_ARCH=NO CODE_SIGNING_REQUIRED=NO CODE_SIGN_IDENTITY= CARTHAGE=YES archive -archivePath /var/folders/w3/m8g_14wd4bz1rtsvn4y7yzhr0000gn/T/RazzleDazzle SKIP_INSTALL=YES GCC_INSTRUMENT_PROGRAM_FLOW_ARCS=NO CLANG_ENABLE_CODE_COVERAGE=NO STRIP_INSTALLED_PRODUCT=NO
User defaults from command line:
IDEArchivePathOverride = /var/folders/w3/m8g_14wd4bz1rtsvn4y7yzhr0000gn/T/RazzleDazzle
IDEDerivedDataPathOverride = /Users/apple/Library/Caches/org.carthage.CarthageKit/DerivedData/11.0_11A419c/RazzleDazzle/acfa6d2416614b2efc07669754312c8797442a0c

Build settings from command line:
CARTHAGE = YES
CLANG_ENABLE_CODE_COVERAGE = NO
CODE_SIGN_IDENTITY =
CODE_SIGNING_REQUIRED = NO
GCC_INSTRUMENT_PROGRAM_FLOW_ARCS = NO
ONLY_ACTIVE_ARCH = NO
SDKROOT = iphoneos13.0
SKIP_INSTALL = YES
STRIP_INSTALLED_PRODUCT = NO

note: Using new build system
note: Planning build
note: Constructing build description
error: An empty identity is not valid when signing a binary for the product type 'Application'. (in target 'RazzleDazzleDemo' from project 'RazzleDazzleDemo')

** ARCHIVE FAILED **

Please let me know how to fix this @ZevEisenberg @raphaelcruzeiro @maxmeyers