phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ae21ce8d9261e9b0b649e2666988b524' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ae21ce8d9261e9b0b649e2666988b524', -1, 1771930511, 1771930511, 'd849d890', 5, 0, 0)

Line : 187
File : sessions.php