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 ('32064a19ed5d45d8881ab1a5b7c116e8', -1, 1713580224, 1713580224, '03105396', 4, 0, 0)

Line : 187
File : sessions.php