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 ('c17dc6ca76a8b264846d08d4d1fdd0f9', -1, 1748132892, 1748132892, '0d3ac7ce', 5, 0, 0)

Line : 190
File : sessions.php