I hane no longer the right to update a link /link sharing is inactive

I am using a Business Account which ends at 29/11/21. Since yesterday i am opening my XD and i cannot any more links neither can i update existing ones.It says that i need to upgrade my plan. So frustrating. Do you know what could have happened? I contacted my administraton who send me the end date , and i still can use it untill the 29th. Can anyone help?Thank you