Engine Version is 4.26.1 release
The project can run normally in the editor.
VS2019 Version is 16.9.2
Paking Error Mesage is this：
LogInit: Warning: Incompatible or missing module: UE4GamePro
LogLuminAPIImpl: Warning: MLSDK not found. This likely means the MLSDK environment variable is not set.
LogMagicLeap: Warning: VR disabled because ZI is not enabled. To enable, in the editor, Edit -> Project Settings -> Plugins -> Magic Leap Plugin -> Enable Zero Iteration
LogFeaturePack: Warning: Inserted 1 feature packs
LogVSAccessor: Warning: Couldn’t access Visual Studio
Warning: Starting HotReload took 4.0s.
PackagingResults: Warning: Monolithic headers should not be used by this module. Please change it to explicitly include the headers it needs.
PackagingResults: Warning: Monolithic headers should not be used by this module. Please change it to explicitly include the headers it needs.
PackagingResults: Warning: Monolithic headers should not be used by this module. Please change it to explicitly include the headers it needs.
PackagingResults: Warning: Monolithic headers should not be used by this module. Please change it to explicitly include the headers it needs.
PackagingResults: Warning: Monolithic headers should not be used by this module. Please change it to explicitly include the headers it needs.
PackagingResults: Warning: Monolithic headers should not be used by this module. Please change it to explicitly include the headers it needs.
PackagingResults: Warning: Monolithic headers should not be used by this module. Please change it to explicitly include the headers it needs.
PackagingResults: Warning: Monolithic headers should not be used by this module. Please change it to explicitly include the headers it needs.
UATHelper: 打包 (Windows (64-bit)): Took 609.3804528s to run UnrealBuildTool.exe, ExitCode=6
UATHelper: 打包 (Windows (64-bit)): UnrealBuildTool failed. See log for more details. (I:\UnrealEngine4261release\Engine\Programs\AutomationTool\Saved\Logs\UBT-UE4GameProServer-Win64-Test_2.txt)
UATHelper: 打包 (Windows (64-bit)): AutomationTool exiting with ExitCode=6 (6)
UATHelper: 打包 (Windows (64-bit)): BUILD FAILED
PackagingResults: Error: Unknown Error
The complete log is as follows: