Yes I have the plug-in in there to use the progress bars.
Using the current version ue. 4.21.2
windows 10
Packaging to Android_astc
It will package without it from the file menu.
Attempting to use package wizard results in a similar error.
Digging through errors I got something back on the LSS system a couple times.
But also it doesn’t always. Some times I get a plug-in valid()
Error.
And some times something about headers being wrong.
It might not exclusively be related to your product. Might have a header broken (which is very annoying since I use BP only except for ONE class that was removed)
One those nice things Google can’t help with and have spend time chasing.
I’ll try to get you a screen shot of the log in next hour or two