phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c4e3a02c5374562bd82af268dc08c5bd', -1, 1715221551, 1715221551, '03177fc5', 2, 0, 0)

Line : 189
File : sessions.php