phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a815d36d635565e64c16b49371f7fa8d' 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, priv_session_id) VALUES ('a815d36d635565e64c16b49371f7fa8d', -1, 1714095269, 1714095269, '6ca2d837', -7, 0, 0, '9d3f30578298a94f5e9afc0e90aa7d31')

Line : 187
File : sessions.php