We're aware of and investigating an issue that's causing certain characters to have their items become unequipped when using the GMI. Due to this issue, the GMI has been temporarily brought offline.
If your characters(s) are affected by this, please send an e-mail through http://help.funcom.com/ and take note of your ticket confirmation number. We'll be happy to reverse the effects of the issue on a character-by-character basis as they are brought to us.
We sincerely apologize for the trouble this issue may cause affected players. Thanks, everyone!