Why do I have a different amount of views to migrate in P-System when comparing to Q-System?

Dear SAP,

I'm getting a bigger number of Custom CDS Views to migrate when comparing to my Quality System.

In P-System, when I go to Custom CDS Views app, in the upper right side of the page, there's a button "Migrate Views" with the number of views to migrate. This number is bigger when I compare with the same button and the same app in Q-System.

Why is that?

Thanks.

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