Zoho Sign & Mail Merge - Template appears blank

Zoho Sign & Mail Merge - Template appears blank

I have a template for our contract that pulls data from the CRM, and when I preview it in the Mail Merge section, everything is fine. However, if go through "Send with Zoho Sign" and select it there as a Mail Merge template, it attaches a blank, single page document that cannot be sent. 

I'm not sure what's wrong. Why isn't it loading? 

It functions as designed on other contracts, but not the one I need right now. 

Edit: The contract was duplicated from another mail merge contract, then edited. The original works and maps all fields as intended. 

Edit2: I got it to work. No idea how. I clicked each signing field and turned the mandatory option off and on. I adjusted the settings in Automate, then put it back to the original position and hit Save Settings. I didn't actually change anything, but I touched it all. It loaded when I attempted to Send with Zoho Sign again. It worked on the other file I was having issues with too. I'll take it as a win. 
    Zoho Marketing Automation
      Zoho Mail - CRM Integration
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