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 ('5f28a84c5e30ea3f3f65d18f4a126325', -1, 1749319345, 1749319345, 'd849d82c', 2, 0, 0)

Line : 190
File : sessions.php