phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '751fc47a778df2d7eb11fbd5f29c2f2b' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('751fc47a778df2d7eb11fbd5f29c2f2b', -1, 1762118127, 1762118127, 'd849d800', -9, 0)

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