phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '853ca9f37cf03a0f1d1471f48f3cd8c7' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('853ca9f37cf03a0f1d1471f48f3cd8c7', -1, 1752881704, 1752881704, 'd849d85f', 0, 0)

Line : 158
File : sessions.php