I get this error and I searched for many ways to make it work but none were successfull pls someone help
PackagingResults: Error: begin: stack for UAT
PackagingResults: Error: === Critical error: ===
PackagingResults: Error: Assertion failed: IsValid() [File:D:\build++UE5\Sync\Engine\Source\Runtime\Core\Public\Templates\SharedPointer.h] [Line: 1063]
PackagingResults: Error: [Callstack] 0x00007ff8c838170d UnrealEditor-Slate.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff89d5c3630 UnrealEditor-FlatNodes.dll!FFlatNodesModule::ApplyEditorStyle() [D:\build\U5M-Marketplace\Sync\LocalBuilds\PluginTemp\HostProject\Plugins\FlatNodes\Source\FlatNodes\Private\FlatNodes.cpp:65]
PackagingResults: Error: [Callstack] 0x00007ff8d8d2e9fd UnrealEditor-Core.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff91a72aaf6 UnrealEditor-Projects.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff91a73de4a UnrealEditor-Projects.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff91a72a8b0 UnrealEditor-Projects.dll!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff765c053eb UnrealEditor-Cmd.exe!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff765c0866e UnrealEditor-Cmd.exe!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff765c00bbd UnrealEditor-Cmd.exe!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff765c00e8a UnrealEditor-Cmd.exe!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff765c03c4d UnrealEditor-Cmd.exe!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff765c15564 UnrealEditor-Cmd.exe!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff765c1788a UnrealEditor-Cmd.exe!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff9222d7034 KERNEL32.DLL!UnknownFunction
PackagingResults: Error: [Callstack] 0x00007ff924102651 ntdll.dll!UnknownFunction
PackagingResults: Error: end: stack for UAT
PackagingResults: Error: Cook failed.
PackagingResults: Error: Unknown Cook Failure