Dashborad shows Internal Server error message about every change in Dashboard

Screenshot 2024-02-04 121222
When I make even very small change (for example, changing size), it should this error message and I cannot save my changes. What is the reason and what should I do?
Is there any limits of numer of Graph in one dashboard?

The pipeline works well without any server problem.

Hi @Mulee,

Welcome! Did you see any errors in the logs at all? Or any more detail under the main error?