I'm not sure why that happens but I know that unfortunately there were some weird issues with Contour 3.0.15, which have been fixed in newer releases so I will encourage you to upgrade Contour instead and see if that fixes it. Current version is 3.0.19.
Contour preview form
Running contour 3.0.15
When i try and preview a form via previewFormDialogMVC.aspx which umbraco defaults to I get an error object reference not set to instance of an object
When previewing using previewFormDialog.aspx it works fine. Doesn't matter what form fields are included in the form.
Hi James
I'm not sure why that happens but I know that unfortunately there were some weird issues with Contour 3.0.15, which have been fixed in newer releases so I will encourage you to upgrade Contour instead and see if that fixes it. Current version is 3.0.19.
Not sure why but I can't access the documentation on Github on this currently. But I managed to find a cached version, which describes the upgrade process here http://webcache.googleusercontent.com/search?q=cache:hSvm7ODGTy0J:https://github.com/umbraco/UmbracoContourDocs/blob/master/Installation/upgrade.md+&cd=1&hl=en&ct=clnk&gl=dk
Hope this helps!
/Jan
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