打开 YourEngineFolder\Engine\Config\BaseEngine.ini
将
Local=(Type=FileSystem, ReadOnly=false, Clean=false, Flush=false, PurgeTransient=true, DeleteUnused=true, UnusedFileAge=, FoldersToClean=-, Path="%ENGINEVERSIONAGNOSTICUSERDIR%DerivedDataCache")
替换为
Local=(Type=FileSystem, ReadOnly=false, Clean=false, Flush=false, PurgeTransient=true, DeleteUnused=true, UnusedFileAge=, FoldersToClean=-, Path="%GAMEDIR%DerivedDataCache")