Hello, 

Thank you for reaching out here in the DocuSign Community. 

You can apply changes to any envelope or recipient that has not been marked as completed.  In this case yes, you can change the signing order, however, as 4 of them already signed, you can not set them as 1 because 1, 2, 3, and 4 are already assigned and completed, you would need to set all of them as 5 and the 10th recipient as 6.

Once a recipient completes their action (or the envelope), the system will not accept any further alterations. 

You can find more details regarding how to correct an envelope, here: 

https://support.docusign.com/en/guides/ndse-user-guide-correct-documents 

If you need further guidance, you can create a Customer Support case and have a Tech Support Expert take a closer look at your setup. 

https://support.docusign.com/en/contactSupport 

If you’re not able to open a Customer Support case via the above link, scroll down further on the page to “More Support Options” and select "I can't reset my password or don't have an account." You will have different options to contact Support.

Please click "Select as Best" below if you found the answer to be a valid solution to your issue!

Best regards,

Nathaly | DocuSign Community Moderator