Given type name is a reserved type

The Studio reports Invalid type name: "<name>" is a reserved name. when a schema type uses a name that Sanity reserves. Most reserved names are built-in types; any, date, and time are reserved for future use. The reserved names are:

any, array, block, boolean, crossDatasetReference, date, datetime, document, email, file, geopoint, globalDocumentReference, image, number, object, reference, slug, span, string, telephone, text, time, type, and url.

If you have a type with one of these names in your schema, rename it or remove it.