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 ('75f942c5d5a7a0c049f395a9f3e0be70', -1, 1635443191, 1635443191, '03ece863', 44, 0, 0)

Line : 187
File : sessions.php