REST API for Creator is not working in zoho books

I wrote a custom function in books which adds a new record in zoho creator by REST API.It was working fine. But Today I faced an error called Error due to -'1'. I don't know to solve this. The error looks awkward as it is meaningless.

I tried API Integration method it works but there is no integration method for delete a record in creator which makes me sad.

My code is

dataMap = Map();

dataMap.put("authtoken","******************");

dataMap.put("scope","creatorapi");

creator_api = postUrl(" https://creator.zoho.com/api/owner_name/json/books-estimation/form/Items/record/add/",dataMap);

It worked fine but today throwing the error although the code remained unchanged