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 ('894685f84e64bbbfbd6fd60497f39fb4', -1, 1714723293, 1714723293, '12e2bb18', 7, 0)

Line : 158
File : sessions.php