Is this still happening to you?
If you are using triton, try the beta version of Triton http://beta.aol.com/projects.php?project=triton&loc=2
Is this in Triton? If so try upgrading to the latest Triton beta at beta.aol.com and then edit your profile. You will have to delete your whole profile. Use Ctrl-A to select all the text, then hit delete. After that, make a new profile and it should allow more text.