phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'aa150733ea5d9d6e3525c0749dfef5b7' 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 ('aa150733ea5d9d6e3525c0749dfef5b7', -1, 1786854048, 1786854048, 'd849d968', -9, 0, 0)

Line : 187
File : sessions.php