My current project has an outdated manuscript file attached (originally imported in MS Word at the start).

That manuscript is out of sync with my recording.

During export, Narrator refuses to proceed and throws the error “No narration for Header 1” (screenshot previously attached).

I have attempted to replace the manuscript with a clean one (DOC, RTF, TXT), but each attempt returns “Could not import file – file is probably not of a supported type.”

I also cannot find any way to remove the existing manuscript so that the export relies only on my timeline headers.

So the core problem is not my chapter placement or recording style — the problem is that the manuscript panel is blocking my export, and I cannot clear or replace it.

What I need to know is:

How can I completely remove the current manuscript from this project so Narrator will allow me to export based solely on my H1 markers?

Or, alternatively, how can I replace the existing manuscript with a clean one (just my header names) so that export validation will succeed?