phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ad16109bc7364b96171489483c771fb6' 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 ('ad16109bc7364b96171489483c771fb6', -1, 1715855355, 1715855355, '030c2957', 0, 0, 0)

Line : 187
File : sessions.php