phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6f6f40fe06e7470f59a76a40a60678b3' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('6f6f40fe06e7470f59a76a40a60678b3', -1, 1772083507, 1772083507, 'd849d8b4', -2, 0)

Line : 180
File : /www/includes/sessions.php