You can export your save (hopefully that's still possible) in the main menu and upload it somewhere (Google drive, Dropbox etc.) and I'll take a look! (and try to fix it)
Never mind, the XP issue miraculously solved itself after a couple of game restarts. However, you might want to look into the bug of purchases enabled past money and energy limit. I don't know if the Gkm+ planet size or the high amounts involved (over 1e45) caused it, might want to check both.
