Issue with Create Record (Post)

Hi all, I’m stuck on CREATE RECORD(POST).
It gives me the following error:
Error: JSON error response from server: {“error”:{“type”:“INVALID_REQUEST_UNKNOWN”,“message”:“Invalid request: parameter validation failed. Check your request data.”}}.status: 422
I state that I correctly read the records from the table.
To test I created a simple table with only two text fields (Name and Notes). I created the schema: fields=object with 2 properties Name (text) and Notes (text).
If I go to RUN TEST it always gives me the same error.
I’ve seen the tutorials, I’ve read all the posts that contain this error but I couldn’t figure out where I’m wrong.
Could someone please give me some information?
Thank you

Have you tried with Postman ? Sometimes it can detect where the error is.

Hi, thanks for your suggestion.
But I’ve never used Postman and I don’t know how to do it…
It’s probably a stupid mistake (for my lack of experience with AppGyver) but I can’t fix it…

Postman allows you to do the CRUD method simply and test if it works properly.
Error 422, sometimes, is because JSON is sent while XML is expected, or vice versa.

Thank you, you have been very kind. Now I will study the problem a bit.