phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '44e455de1efbe272bb86c63d68b26d5c' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('44e455de1efbe272bb86c63d68b26d5c', -1, 1781562004, 1781562004, 'd849d8bf', 1, 0, 0)

Line : 187
File : sessions.php