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 ('ae128f6583c93f1d840c8789b888de1c', -1, 1713492460, 1713492460, '030e8de4', 0, 0, 0)

Line : 187
File : sessions.php