I find a workaround for UE 5.5 with CC 5.0 erase 1.41 and CC_Shaders and use 1.38 RL Plugin and CC_Shaders for that version UE 5.5, also in your CC5 Character import in UE 5.5 erase Wrinkles Blueprint that the one of the problem, will not affect even your animations.
UATHelper: Packaging (Windows): LogIoStore: Display: Input: 6965 Packages
UATHelper: Packaging (Windows): LogIoStore: Display: Input: 0.97 GB UExp
UATHelper: Packaging (Windows): LogIoStore: Display: Input: 0.02 GB UAsset
UATHelper: Packaging (Windows): LogIoStore: Display: Input: 6.00 GB UBulk
UATHelper: Packaging (Windows): LogIoStore: Display: Input: 46.00 MB for 851 Global shaders
UATHelper: Packaging (Windows): LogIoStore: Display: Input: 12.67 MB for 420 Shared shaders
UATHelper: Packaging (Windows): LogIoStore: Display: Input: 0.00 MB for 0 Unique shaders
UATHelper: Packaging (Windows): LogIoStore: Display: Input: 28.97 MB for 474 Inline shaders
UATHelper: Packaging (Windows): LogIoStore: Display:
UATHelper: Packaging (Windows): LogIoStore: Display: Output: 81067 Name map entries
UATHelper: Packaging (Windows): LogIoStore: Display: Output: 18546 Imported package entries
UATHelper: Packaging (Windows): LogIoStore: Display: Output: 3026 Packages without imports
UATHelper: Packaging (Windows): LogIoStore: Display: Output: 0 Public runtime script objects
UATHelper: Packaging (Windows): LogIoStore: Display: Output: 0.01 GB HeaderData
UATHelper: Packaging (Windows): LogIoStore: Display: Output: 2.33 MB InitialLoadData
UATHelper: Packaging (Windows): LogIoStore: Display:
UATHelper: Packaging (Windows): LogPakFile: Display: UnrealPak executed in 14.639235 seconds
UATHelper: Packaging (Windows): Took 15.05s to run UnrealPak.exe, ExitCode=0
UATHelper: Packaging (Windows): DumpManifest: C:\Users\MASMAS\AppData\Roaming\Unreal Engine\AutomationTool\Logs\F+UE5+UE_5.5\FinalCopyWin64_UFSFiles.txt, NumItems: 19021
UATHelper: Packaging (Windows): DumpManifest: C:\Users\MASMAS\AppData\Roaming\Unreal Engine\AutomationTool\Logs\F+UE5+UE_5.5\FinalCopyWin64_NonUFSFiles.txt, NumItems: 31
UATHelper: Packaging (Windows): DumpManifest: C:\Users\MASMAS\AppData\Roaming\Unreal Engine\AutomationTool\Logs\F+UE5+UE_5.5\FinalCopyWin64_NonUFSFilesDebug.txt, NumItems: 8
UATHelper: Packaging (Windows): Copying NonUFSFiles to staging directory: F:\UE5\PROYECTOS\5.5\matani\Saved\StagedBuilds\Windows
UATHelper: Packaging (Windows): Copying DebugFiles to staging directory: F:\UE5\PROYECTOS\5.5\matani\Saved\StagedBuilds\Windows
UATHelper: Packaging (Windows): Stage command time: 17.21 s
UATHelper: Packaging (Windows): ********** STAGE COMMAND COMPLETED **********
UATHelper: Packaging (Windows): ********** PACKAGE COMMAND STARTED **********
UATHelper: Packaging (Windows): Package command time: 0.00 s
UATHelper: Packaging (Windows): ********** PACKAGE COMMAND COMPLETED **********
UATHelper: Packaging (Windows): ********** ARCHIVE COMMAND STARTED **********
UATHelper: Packaging (Windows): Archiving to F:/UE5/PROYECTOS/5.5/matani/Win64
UATHelper: Packaging (Windows): Archive command time: 1.46 s
UATHelper: Packaging (Windows): ********** ARCHIVE COMMAND COMPLETED **********
UATHelper: Packaging (Windows): BuildCookRun time: 76.54 s
UATHelper: Packaging (Windows): BUILD SUCCESSFUL
UATHelper: Packaging (Windows): AutomationTool executed for 0h 1m 17s
UATHelper: Packaging (Windows): AutomationTool exiting with ExitCode=0 (Success)
Work for me 