Combine or Split Issues, and Fixes
This article is a general repository for possible fixes to Combine and Split issues. Feel free to add to this if you find a solution not already listed.
1. From the Doc-It Server and re-register the following two dll files.
"C:\Program Files (x86)\Doc.It Suite 4\Doc.It Server Components 4\PDFXCviewAx.dll"
"C:\Program Files (x86)\Doc.It Suite 4\Doc.It Server Components 4\PDFXEditCore.x86.dll"