phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1641c1f2a066f0471c42e87ba2f01712' 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 ('1641c1f2a066f0471c42e87ba2f01712', -1, 1752942451, 1752942451, 'd849d8d1', -9, 0, 0)

Line : 187
File : sessions.php