Please note this is an old forum thread. Information in this post may be out-to-date and/or erroneous.
Every phpdocx version includes new features and improvements. Previously unsupported features may have been added to newer releases, or past issues may have been corrected.
Did you set the path to LibreOffice in the phpdocxconfig.ini file?
Please run the same example using the CLI mode and enabling the debug option.