phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO bb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('6db233b59a1a3a4b5a55c43f3b884c7a', -1, 1679989916, 1679989916, '2cc8a810', -11, 0, 0)

Line : 187
File : sessions.php