Mail Merge & Zoho CRM Broken

Mail Merge & Zoho CRM Broken

Since sometime in the last week or so we have found that every attempt to mail merge results in the attached error.

"There was an error in creating merged documents please try again later"

This is happening for all our users regardless of what machine they use.

One of our users wasted a ridiculous amount of time with online support yesterday and in the end had to go home so ended the support call.

I'm posting this here in the hope that others with same problem might acknowledge it and hopefully provide a solution.