"'NoneType' object has no attributed 'properties'" error while trying to publish app

This thread was migrated from an old forum. It may contain information that are no longer valid. For further assistance, please post a new question or open a support ticket from the Customer Support portal.

I tried to publish my app after having successfully done it before, but I got this error and I am not sure what could be causing it:

**Image removed for security reasons**

Thank you!

Hi could you please share more details on the object service that you are using in your fabric app?