AOL limits the number of times sessions can be removed
Trying to remove open sessions and receive this pop-up: "You have exceeded the maximum number of individual sessions you can end at this time. To end all sessions except the current one, click on "Change your password" link above. " Bad. Do not want to change password; simply want to end open sessions from days ago!!!!

Please try to remove a few sessions now and then try to remove the rest of your open sessions tomorrow.
-
Richard Green commented
Still unable to delete open sessions and immediately receive the message when attempting to close any of them: You have exceeded the maximum number of individual sessions you can end at this time. To end all sessions except the current one, click on "Change your password" link above.