phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '648d707d9e9b51264c65e571c91f4fc5' 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 ('648d707d9e9b51264c65e571c91f4fc5', -1, 1756712889, 1756712889, 'd849d86b', 7, 0, 0)

Line : 187
File : sessions.php