The crash happened when it failed to read the map (no read permission, damaged file,...), so when it tried to show the description, it was a NULL pointer and...
I found that out when I flooded maps/ with empty .ogz files (to find out if the crash was due to "too many maps").
I found that out when I flooded maps/ with empty .ogz files (to find out if the crash was due to "too many maps").