Converting from 4-26 to 5-0

I’m having a problem converting my project. I made my whole intro, menus and in game UI i dont want to lose my project. can anyone help please.

it says i need to rebuild advanced sessions manually

Project files could not be generated. Log output:

Running C:/Program Files/Epic Games/UE_5.0EA/Engine/Binaries/DotNET/UnrealBuildTool/UnrealBuildTool.exe -projectfiles -project=“C:/Users/Jcase/Desktop/Eighty 5.0 - 2/Eighty.uproject” -game -rocket -progress

Some Platforms were skipped due to invalid SDK setup: IOS, Android, Linux, LinuxAArch64.
See the log file for detailed information (C:\Users\Jcase\AppData\Local\UnrealBuildTool\Log_GPF.txt)

Discovering modules, targets and source code for project…
ERROR: Directory ‘C:\Users\Jcase\Desktop\Eighty 5.0 - 2’ is missing ‘Source’ folder.