phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('7219f22202feb0e09474680c9cdc34b2', -1, 1714435871, 1714435871, '1277d5eb', 7, 0)

Line : 158
File : sessions.php