phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ad6c9cef7409f11e58bb6feb1f519cff' 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 ('ad6c9cef7409f11e58bb6feb1f519cff', -1, 1714383491, 1714383491, '0381f7c4', 16, 0, 0)

Line : 187
File : sessions.php