Create a file named xdodebug.cfg and place it under [PS_HOME]\JRE\Lib] folder.The file should include the following line:
Under Windows
LogLevel=STATEMENT
LogDir=c:\temp
Under Unix
The file Should look like this (point to an appropriate temporary directory under the Unix box)
LogLevel=STATEMENT
LogDir=/ds3/ps/dssgrp/t849xr21/appserv/
Remove xdodebug.cfg when finished replicating the issue.
The logging is specifically useful for troubleshooting the Template(RTF/PDF) or Data File(XML file) specific issues. The generated XML file is the actual data file which is run from the MS Word Design Helper Preview mode to narrow down the issue.