Adobe Sign - Send in Bulk stuck on Processing

I have multiple contacts that I need to send the same document to and have been sending the document out in groups of less than 50 at a time. I can send to five or six groups, and then Adobe gets stuck processing with a spinning loop. The loop keeps spinning for hours and never finishes. If I refresh the page, I can start the process over again but get stuck at the same spinning circle. If I close and re-open the browser, I get the same circle, and if I open adobe up in an in private window, I still get the same spinning circle. My subscription level is Creative Cloud All Apps 100GB. Please resolve this issue.