AOL mail fails to operate properly.

While writing an AOL email, a window pops up and says "you are no longer logged on to AOL "Please log in again". Click "OK" and another window pops in and states "you have not saved or sent this message"  "Stay on page ----Leave page. This occurs every in two to three minutes intervals. This only happens while using the e mail portion of AOL  AOL mail works fine using "Fire fox".