Acrobat E-Sign times out before I can complete document preparation

I have been using e-Sign with success since it's introduction, continuing to use the legacy version to maintain access to important features, e.g. alignment and repeating fields on all pages.

Today I am preparing a slightly longer document than normal. (22 pages, multiple field, multiple signers). 16 of the 22 pages require initials from each signer and 6 of the 22 pages require a signature from each signer.

I use repeating fields as often as possible to reduce preparation time, yet, before I can complete all pages for all signers, Acrobat "times out" and requires me to re-start the process with all of my previous work deleted. This has happened twice today with the document. Unfortunately, I did not create a screen capture of the exact message or record the exact amount of time before failure, but it seems to happen as quickly as 15 minutes.

I  tried saving as a Draft but that feature is available, at least in Legacy Mode. I do not believe this to be a local issue: All apps and operating system (Windows 11 24H2) are updated.

I would appreciate any feedback and solutions.