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 ('6012df369e6d330a7f5eb32e2ab6a940', -1, 1715092895, 1715092895, '12de7378', -9, 0, 0)

Line : 189
File : sessions.php