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 ('6ce91b8e9a7e3f10a94be6d531bdce89', -1, 1715301482, 1715301482, '0312dcf3', 2, 0, 0)

Line : 189
File : sessions.php