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 ('8675c973218082f1b1010461d246f277', -1, 1747794007, 1747794007, '12742606', 2, 0, 0)

Line : 190
File : sessions.php