Schema Namespace UUID Issue New Components

Question

I am working on SDL Web 8.5 and only using the CME. I have a Schema (SchemaA) with a targetNamespace="uuid:xxx". I can update existing Components based on SchemaA and save them. Additionally, I can copy and paste these existing Components into other folders and work with the new copies. I can also preview these Components successfully with the Default Template.

However, if I create a new Component based off of SchemaA and try to save the Component (after filling out any mandatory fields) I get the following error:

Unable to find uuid:xxx:Metadata.

This is stopping me from creating new Components based on this Schema. Additionally, if I try to preview the Component before saving with the Default Template I get the following error:

Unexpected namespace URI: uuid:yyy. Expecting: uuid:xxx.

For some reason, the UUIDs do not match up here. Furthermore, I have compared the Source tab of the new Components and the old ones, and they are identical. I even tried copying the source from an existing (working) Component into a new one but I still could not save or preview.

Any ideas why newly created Components seem to be using the wrong namespace uuid?

Answer 1

The issue was with how I was creating the new components. When selecting a schema for a new component I was opening the schema dropdown and typing the letter "i" to get to the schema I wanted (instead of scrolling). This was selecting a different schema first (since my desired schema was not the first "i" in the list) and loading the fields for it. Then I was opening the dropdown again and selecting my desired schema. It turns out that the first schema that started with an "i" had a uuid of: "uuid:yyy" as seen in the preview error.

When creating a new component if I open the dropdown and scroll directly to the schema I want and click it without selecting any other schemas first, the issue does not present itself.