Bug
- Setup connector endpoint, click next.
- Add collection with a key that will be FORBIDDEN.
- Click refresh on field selection.
At this point it shows an error Field selection validation failed. If this issue persists, please contact support. and no fields are listed. Clicking on refresh a second time will show the field listing as desired.
Expected
Listing of fields displayed with a conflict marker on the collection key.
Screenshots
After first refresh:

Browser logs when clicking refresh:

Desktop (please complete the following information):
- OS: Linux
- Browser: qutebrowser
Additional context
This is with an in-development materialization for HubSpot, will share a draft of the code soon. With this materialization it may not be possible to write certain keys depending on the the state of existing properties in the destination system. In this case the expected way to address the issue would be to group by on a different field.
Bug
At this point it shows an error
Field selection validation failed. If this issue persists, please contact support.and no fields are listed. Clicking on refresh a second time will show the field listing as desired.Expected
Listing of fields displayed with a conflict marker on the collection key.
Screenshots
After first refresh:

Browser logs when clicking refresh:

Desktop (please complete the following information):
Additional context
This is with an in-development materialization for HubSpot, will share a draft of the code soon. With this materialization it may not be possible to write certain keys depending on the the state of existing properties in the destination system. In this case the expected way to address the issue would be to group by on a different field.