phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1c9d1ed210a8bf88483e7f67868ddfc0' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('1c9d1ed210a8bf88483e7f67868ddfc0', -1, 1714733362, 1714733362, '0390d491', 0, 0, 0)

Line : 187
File : sessions.php