phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '876bbaf9d1bd2953a643bfabe415d6d2' 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 ('876bbaf9d1bd2953a643bfabe415d6d2', -1, 1714049581, 1714049581, '12e2a95e', -2, 0, 0)

Line : 187
File : sessions.php