Hi @seanhodkinson ,
Could you please make sure you have enabled your Model Driven App for offline usage?
Follow the below steps to enable the App for offline mode,
- Navigate to the App area in your environment.
- Click on the three dots corresponding to the app of concern.
- Select "OPEN IN APP DESIGNER."

In the App Designer, follow these steps:
- Go to the "Settings" section.

- Within the "General" tab, locate the "Can be used offline" option and enable this option.
- After enabling, select "Select offline mode and profile" of your choice.

After these settings Save and publish the App.
Thanks!
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