InfoPath Dev

 Hi all, I'm developing an infopath form that has a dropdown where I configured a call to a WCF service using the dropdown rules. In my environment there aren't problems, but in the production environment the first call to WCF service fails, from the second all works fine. The form is rendered in the web in a sharepoint form ...

Hi all, I had the same error. I looked for a solution in google, but no one solved my problem and finally I found the solution! One Custom List of the application had the char "à" with the accent. A dropdown was linked to that data source, so when another dropdown configured to call a webservice or when the form was submitted, this ...