wanna sanity.io expertise to develop our CMS

Please bid with any hint with following issue. This is occurred when creating new document.
This document has the schema type *, which is not defined as a type in the local content studio schema.

Here is the JSON representation of the document:

{
"_type": "page",
"showHero": false,
"hero": {
"carouselOptions": {
"active": true,
"slideDots": false,
"arrows": false,
"autoplay": false,
"loop": false,
"align": "start",
"_type": "module.carouselOptions"
},
"_type": "hero.page"
}
}


This is console result.
Structure warning: document type (`schemaType`) will be required for document nodes in the near future! At:

root > pages > 98be31b0-795a-4045-88cf-c37818c7d5d3