Type “FieldItemTypeDatetime” not found in document. [#3329691]

Problem/Motivation

GraphQL\Error\Error: Type “FieldItemTypeDatetime” not found in document. in GraphQL\Utils\BuildSchema::GraphQL\Utils\{closure}() (line 149 of /opt/vendor/webonyx/graphql-php/src/Utils/BuildSchema.php).

Steps to reproduce

1. Uninstall graphql version 3.1
2. Install graphql version 4.4
3. Install graphql_core_schema version 1.0.0 beta 3
4. Created graphql server with endpoint localhost/graphql
6. Getting error on Explorer page.

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