phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9d1a81ff47f846e7b8fe2c5d452f8a11' 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 ('9d1a81ff47f846e7b8fe2c5d452f8a11', -1, 1758573823, 1758573823, 'c0a81014', -501, 0, 0)

Line : 187
File : sessions.php