phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c121f13530ab649664fd79df32826e62' 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 ('c121f13530ab649664fd79df32826e62', -1, 1753605100, 1753605100, 'd849d805', 36, 0, 0)

Line : 187
File : sessions.php