Nintex DocGen

Hi, i would like to generate a report using DocGen with multiple records. As for below, to the right hand side of the screen shot, i am not able to select more than one record at the moment. Kindly can you advise if i can select more than one record during the generation please?  Thanks a lot! Best regards, Simon   

We get the above error from a “Generate document”-Action.As no field is mentioned, it is hard to find the root cause.This Workflow is running into this issue the first time.Any idea how to identify the field?

In my start form I set up repeating sections for equipment check in of terminated employees. I created the formula variables in the task form that receives this data.  I created a Word document for DocGen output of a final document and tagged my document.  When I pull the file and generate the document, I am only getting back the first entry in the repeating section, and the tagger only has one option to