When button is clicked for the update mutation HttpLinkServerExtention is thrown

Here is the response data:

statusCode:400 body:"{"errors":[{"message":"String cannot represent a non string value: cl18ty12i0518m9p67q604waz","extensions":{"code":"GRAPHQL_VALI…" hashCode:438889705 runtimeType:Type (Response

https://imgur.com/a/ZiNzz9j

I tried to make change values to string to .toString() to no avail