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 ('a4e5681734e68c15d7e8463cf3b45608', -1, 1747565986, 1747565986, '0390bb63', 2, 0, 0)

Line : 190
File : sessions.php