Hey, sorry for the late response. I figured out how to fix it with a not best practice solution (in my opinion) - I built the engine from source, dug into cpp file causing this error, and have added my custom bypassing code for it. So it’s kind of crutch, but it worked for me and now I’m using this source build for building and packaging my projects. Check my post here for details - Can't launch my project build: FilenameToLongPackageName failed to convert ''. The Result would be indistinguishable from using '' as the InFilename. - #7 by WhiteCap
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