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 ('db506ed6dd07f9170d41a2964d8c5b4e', -1, 1715909308, 1715909308, '03909670', 11, 0)

Line : 158
File : sessions.php