Heroes of Might and Magic I Tournament Edition

or 2 days, after that the bug disappeared for me.

Even if you replay for 1 day (or even start the map from the beginning), the unopened fragments will still remain. The only thing that might change is the order in which they are opened, i.e., sometimes you can see a cross, and sometimes you can't. For example, if there are 5 obelisks on the map, then 3 fragments will always remain unopened.

maybe we can discuss each point separately and agree on it?

What's the problem there?