phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '94c31d5c74f94984c8c157ccafc272c3' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('94c31d5c74f94984c8c157ccafc272c3', -1, 1768452800, 1768452800, 'd849d8a4', 7, 0)

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