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 ('a6341a98e62c5307cb3ec527abd8806f', -1, 1715316959, 1715316959, '030e84d6', 2, 0, 0)

Line : 189
File : sessions.php