phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b9795a4d286cf0d5119d89461cf87af9' 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 ('b9795a4d286cf0d5119d89461cf87af9', -1, 1769433277, 1769433277, 'd849d83c', 5, 0, 0)

Line : 187
File : sessions.php