I need for a programm to (webwinkelfacturen.nl) to read my taxrates so I can be pushed in an accountingsystem. But I am getting this error when I want to call
I am getting this error:
This page contains the following errors:
error on line 2 at column 6: XML declaration allowed only at the start of the document
Below is a rendering of the page up to the first error.
The programm is using this to get the taxrates:
And that gives the same error. What is this ? And how can I FIX it ?