[Outdated][Bug 1.14] Unlocked Area chance to locked after reload

[MisterSpock]

What happend:

After relaoding my savegame one part of the map is unlocked.
This always happen on this savegame.
The map is custom and created in 1.14.

savefile:
mediafire.com/file/rch7oi1gqsd14uh/bug.rar