Zapier error: "Could not find field "fields" in the request body"

I am trying to create a new contact record in Airtable using Zapier - linked to Hubspot. This should be really simple but I get this error: “Could not find field “fields” in the request body”
When searching in community, this suggests a cdoding error in the API request - which suggests to me the Zapier-Airtable API is not set up properly \nd I cannot change this.
I am not a techie - all solutions welcome!

Hey - Sometimes this is the error you get if the field names have changed. Try reconfiguring your connection from the beginning to see if that irons out the kinks

I am having the same problem! (connecting to google calendar with zapier)
The app returned “Could not find field “fields” in the request body”.
I have tried triple checking the field names and reconfiguring but no success.
Does airtable require the field types to be a certain type (ex: single line text)?