phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('733cfe1f4df9bdeb10454c902ef1c4ac', -1, 1713276143, 1713276143, '0391bfd6', -1, 0, 0)

Line : 187
File : sessions.php