Missing book name in Header

I am new to PTXPrint and am having trouble with getting the book name to appear in the page header. I select Reference Range for the center option on the Header+ Footer dialog box.
When printed only the chapter numbers are displayed, without the book name, in the header. Am I missing a step?
Thank you.

PTXprint doesn’t read in the \toc1 … \toc3 markers for the header material but relies on the \h marker. So, could you check to see if the USFM files have a \h header marker with the book name.

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Thank you. Your assistance has allowed me to fix the issue.