One question! I if I don't have @NotNull at a field inside my entity class

Directory Crud UI Add-on
1

One question!

I if I don’t have @NotNull at a field inside my entity class. Then when I try to update a field with an empty string. It will give me an error that the field is null.

Why does this occurs?

Version 4.4.1

2

Can you share the log/stacktrace?