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 ('c350d66b5f8727c9290c64a7de6e3987', -1, 1714708252, 1714708252, '12743375', -2, 0)

Line : 158
File : sessions.php