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.
Not sure what went wrong. After changing the structure the error didnt occur anymore. I'm now calling the method from another class instead of my CreateDocx-wrapper and it works as intended.