TypeError: null is not an object (evaluating 'decoded.class')
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| Reporting a bug or issue
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**Expected behavior:**
Running

**Observed behavior:**
Not Running, console message is **TypeError: null is not an object (evaluating 'decoded.class')**

**Sketch version:**
53 (72520)

**Please attach screenshots, a zip file of your project, and/or a link to your github project**
![image](https://user-images.githubusercontent.com/45959515/52993243-a5d53500-3467-11e9-83f9-00235c239445.png)

