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, session_admin) VALUES ('6c423871f90d4b062a2fd73c50c40a26', -1, 1752709771, 1752709771, 'd849d81e', 1, 0, 0)

Line : 189
File : sessions.php