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 ('e406e5e5bd3756efbecaf0342347db65', -1, 1715016515, 1715016515, '340e9637', 4, 0, 0)

Line : 189
File : sessions.php