phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1bff362f68ea79a7311776b8ef6126ef' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('1bff362f68ea79a7311776b8ef6126ef', -1, 1764904624, 1764904624, 'd849d83f', 2, 0)

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