Fixed Position Outside Document

What Happened

A fixed position specifies a page number that does not exist in the document. The referenced page is outside the document’s page range.

The response includes a detail property with more information about this error.

Verify that the page value in the fixed position is within the document’s actual page range. Pages start at 1.
If the document has fewer pages than expected, confirm you are uploading the correct file.
See the Fixed Positions documentation for details on specifying page coordinates.