PAL? You have problem with content, not with software, your TITLE is WRONG.
It is latest version of NextGen, of course it should be without problems to function on new devices.
If you have problems when changing MAP content, then the problem is only to it.
Bad download, bad uploaded, some of files are bad (fbl, poi, fjw...whoknows). Clear content, then add files one by one to find out what file is problematic.