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 ('9751b0094b4804e353e8c8c9e5d7aa3a', -1, 1715204426, 1715204426, '12dcb2cf', 0, 0, 0)

Line : 189
File : sessions.php