phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f9c5ad78a535e33c996dd033495fedb9' 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 ('f9c5ad78a535e33c996dd033495fedb9', -1, 1713570313, 1713570313, '12d9c227', -10, 0, 0)

Line : 187
File : sessions.php