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 ('6455e2de0d86c9c6f24f5972f86b3e06', -1, 1715270462, 1715270462, '0d3b3d77', 8, 0, 0)

Line : 189
File : sessions.php