Admin doesn't show all entities

I really don't know what might be wrong, but admin doesn't list some of my entities. There're two links in list header saying:

1736 results 2520 total

When I click on "2520 total", it just show the same list with 1736 results. I can open objects change-forms using their ids though.

A couple months ago I did some migrations for the schema, maybe I did something wrong. But if I did, I guess I couldn't access those objects at all...

Please, help me.

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