I created a simple word document using Word for Mac v16.16 and saved it as a docx file. When trying to perform a MailMerge with it, I'm getting a null pointer exception. It seems to be getting into the extractInstr method, and my instructions size seem to be greater then 1. In fact, when I save the docx to XML and unroll it, it seems to be creating these tags.
<w:p w:rsidR="00292328" w:rsidRPr="00031CF5" w:rsidRDefault="00031CF5" ...