Merging PDFs through Assembler service returns error while I am trying to pass below DDX String:DDX String:<?xml version="1.0" encoding="UTF-8"?><DDX xmlns="http://ns.adobe.com/DDX/1.0/"><PDF result="AssemblerResultPDF.pdf"><PageMargins left="0.25in" top="0.25in" right="0.25in" bottom="0.2882in"/><P...