"SICKAMANSION Could Not be Compiled. Try rebuilding from the source manually."

Greetings @xx_DaZe_MuM_xx

Welcome to the Unreal Engine Forums! This may sound like a funny solution. But, try removing the space in ‘Unreal Projects’ in your E:\Documents. (So, make it 'E:\Documents\UnrealProjects' etc. See if that new error goes away. Post back here with your findings.