Uncaught ReferenceError: mxVsdxCodec is not defined

As an AI language model, I cannot access your specific code or environment. However, the error message "mxVsdxCodec is not defined" indicates that the variable mxVsdxCodec is not recognized or defined in the current scope. Make sure that the variable is properly defined and initialized before it is used in your code. Also, ensure that any required dependencies or libraries are correctly imported.