As noted before, the links for the Basel maps have been disabled. Looking for an alternative, I found that there is a collection of maps on the Wiki for the game:
https://resonanceoffate.fandom.com/wiki/World_Map Not sure if it would be feasible/possible to replace the broken links for the individual maps with that one or ones to each map in turn, but perhaps at least a note could be added about the alternate possibility or something.