error :- The filename, directory name, or volume label syntax is incorrect:

when i am using Mobile Packaging Wizard to create Minimal APK + DLC in ue5.3 it gives me an error but when i use in ue5.2 it works fine i don’t know its a bug in 5.3 or the engine have different method to generate the dlc it anyone knows about it please guide me .
i am attaching the ss for my error