Gangs not saving when all members leave server.

[MorroW]

Hello, I recently created a gang and when leaving it saved the gang but didn't save the members and as such we could not create a gang with the same name for about 5 minutes, I asked an admin ( Lithirm ) about this and he came on and tested some things and at we tested if 3 members made a difference and it did not, but upon rejoining we were presented with an error, which is in the following screenshot: