Open Pal/Saved/Config/LinuxServer/Engine.ini
(for Windows use Windows path) and change accordingly
[Core.System]
Paths=../../../Engine/Content
Paths=%GAMEDIR%Content
Paths=../../../Engine/Plugins/2D/Paper2D/Content
Paths=../../../Engine/Plugins/Animation/ControlRigSpline/Content
Paths=../../../Engine/Plugins/Animation/ControlRig/Content
Paths=../../../Engine/Plugins/Animation/IKRig/Content