Cannot submit feedback for the documentation

I'm on this page: https://storybook.js.org/docs/essentials/actions#action
I wanted to submit feedback and was not allowed. 
Got error message: 
```
Could not submit feedback. Please try again.
```
POST https://storybook.js.org/docs/essentials/actions
Status: 200 
Response: 
```
0:["$@1",["ksWMGg_hVzI7R3_N_6ozS",null]]
1:{"status":"fail","message":"Could not submit feedback. Please try again."}
```

