If you encounter this problem, don’t worry. It’s a minor random glitch, and easily fixed.
Simply log out of ForumWarz, and then log back in. This should clear this error.
If that doesn’t clear the error, then simply send yourself a new Tubmail and open it. This should clear this error.
If that doesn’t clear the error, then please report the issue as a bug, and make sure to tell us that you tried the above fixes.