Yeah Connection issues have nothing to do with in-game issues with your bank permissions.
The GM should not have restrictions on what they can take out of the bank or move around.
This is a second issue that I think is a known bug. Probably a display issue.
Here is the main thread on it they should have directed you to.
They had nothing to do with connection issues and I don’t know why you got that template. You should have been pointed to the Bug Report methods such as the Bug Report forums or the in-game bug report tool.
I know when they have high enough volume there is some sort of triage that works off key words so if you have something in the wrong category it will output the wrong reply. GMs also do make mistakes with templates from time to time when they do answer.