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 ('6a7b5b90afee66db83e1db1fa3a2de50', -1, 1715101693, 1715101693, '030fedff', 2, 0, 0)

Line : 189
File : sessions.php