Error when placing blocks in a second world

[madmaxoft]

Have two worlds on the server, one of them has Galleries defined in it. The player is in the other world (the default world). Whenever the player places a block, an error is output to the console:

[13:55:36] LUA: Plugins/Gallery/Gallery.lua:320: attempt to index field '?' (a nil value)
[13:55:36] Stack trace:
[13:55:36]   Plugins/Gallery/Gallery.lua(320): GetPlayerAreas
[13:55:36]   Plugins/Gallery/Gallery.lua(532): FindPlayerAreaByCoords
[13:55:36]   Plugins/Gallery/HookHandlers.lua(62): (no name)
[13:55:36] Stack trace end