phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6fc4c67d572f7564c951a1538aac3151' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('6fc4c67d572f7564c951a1538aac3151', -1, 1769773000, 1769773000, 'd849d8d5', -4, 0, 0)

Line : 187
File : sessions.php