Blueprint needs recompile after C++ build

I’m not sure if this is a bug, but i’m pretty sure this shouldn’t happen . To explain everything in details, i have my character c++ class, but i also have blueprints (such as a stat bar hud) that needs to get variables from my c++ class.
It works fine, but most times after i make changes on the c++ class, even though i didn’t even touch the variables used by those blueprints, i still have to recompile them. Else the variabables they are using will give me this error when i play : Blueprint Runtime Error : Attempted to access missing property called ‘variable name’ . If this is a packaged/cooked build,are you attempting to use an editor only property?
What’s weird about this is that i can click play with no problem and when i go to the blueprint that has this problem, i get the green V on the blueprint , implying that there’s no problem . Simply clicking compile solves it , or even restarting the project.


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