How to fix error: The message received from the server could not be parsed

Question

We have a Sharepoint solution that uses AJAX. The button that triggers this is inside an update panel.

One of the things that we do is generate a MS Word document, t

Answer 1

If you have the button inside updatepanel this maybe causing this, if don´t want to move it, just add a trigger for the button on the updatepanel, a postback trigger.