phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'aa893fd1ef435f9dd595424d9e56e0af' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('aa893fd1ef435f9dd595424d9e56e0af', -1, 1766230217, 1766230217, 'd849d819', 10, 0, 0)

Line : 187
File : sessions.php