You may have received an email indicating that a document has been rejected.

In this same email it is possible that you can see the reason for the rejection if the person who has validated it has indicated it.

If you have received a rejected document email, the first thing you should do is search for the document by its number, going to the Documents > Document management section and searching by the document number:

In this way you will be able to see the document that you had uploaded and check the reason why it was rejected.

Then you must upload the document again, this time, attaching the document according to the criteria indicated in the document upload window and following the instructions given to you in the rejection.