4.21.2 Package Fails StaticFindObject()

Compiling code works, running game in Editor works. Cook and Package fail with error illegal call to StaticFindObject()

UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: begin: stack for UAT
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: === Critical error: ===
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error:
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: Fatal error: [File:D:\Build++UE4\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp] [Line: 305]
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: Illegal call to StaticFindObject() while serializing object data!
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error:
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error:
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffacf09a388 KERNELBASE.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa7b5bcd1a UE4Editor-Core.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa7b39a967 UE4Editor-Core.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa7b2d0df7 UE4Editor-Core.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa8567bf31 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa8564d9f0 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa85664ae7 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa85674d09 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa853838a7 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa852f731f UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa856749a3 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa854a1811 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa8561c731 UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: begin: stack for UAT
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa8561ca87 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa854a44ec UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa855aa8b3 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa855a85cc UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: === Critical error: ===
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa855a82c4 UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: Fatal error: [File:D:\Build++UE4\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp] [Line: 305]
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa855f929b UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: Illegal call to StaticFindObject() while serializing object data!
PackagingResults: Error: [Callstack] 0x00007ffacf09a388 KERNELBASE.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa85620378 UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa7b5bcd1a UE4Editor-Core.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa7b39a967 UE4Editor-Core.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa85604181 UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa7b2d0df7 UE4Editor-Core.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa8567bf31 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa767092e6 UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa8564d9f0 UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa85664ae7 UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa85674d09 UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa853838a7 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa7659ed77 UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa852f731f UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa765a15a1 UE4Editor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa765accc0 UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa856749a3 UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa854a1811 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa7640a79b UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa8561c731 UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa8561ca87 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffa7643d0bf UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa854a44ec UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff719b6ed22 UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa855aa8b3 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff719b65783 UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa855a85cc UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa855a82c4 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff719b659ea UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa855f929b UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa85620378 UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa85604181 UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa767092e6 UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa7659ed77 UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa765a15a1 UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa765accc0 UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa7640a79b UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa7643d0bf UE4Editor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff719b748da UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff719b6ed22 UE4Editor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff719b7584e UE4Editor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffacfe23dc4 KERNEL32.DLL!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffad2993691 ntdll.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff719b65783 UE4Editor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error:
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: end: stack for UAT
PackagingResults: Error: [Callstack] 0x00007ff719b659ea UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff719b748da UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff719b7584e UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffacfe23dc4 KERNEL32.DLL!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffad2993691 ntdll.dll!UnknownFunction []

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