Responsive forms designer not working

ISSUE

When trying to create a responsive form, the designer does not work and gives following error:

 

Modal Dialog: Sys.ParameterCountException: Parameter count mismatch.

ERROR CODE

Modal Dialog: Sys.ParameterCountException: Parameter count mismatch.

RESOLUTION

In the web.config file find this line:

 

<compilation batch="true" debug="true" optimizeCompilations="true">

 

Turn off debug, should look like this:

 

<compilation batch="true" debug="false" optimizeCompilations="true">