phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('7ca37c6d523a2f91e2bc80cfe024e45e', -1, 1715296696, 1715296696, '03916f7d', 3, 0, 0)

Line : 189
File : sessions.php