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 ('941b7c2a1de2e78dcf6670a414ec2d99', -1, 1715338316, 1715338316, '12778348', 4, 0, 0)

Line : 189
File : sessions.php