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 ('75424cec95154fb630d6ad8f39488380', -1, 1714028311, 1714028311, '039010fe', 4, 0, 0)

Line : 187
File : sessions.php