Can't select value to edit variable in editor window.
I am running into an issue where, upon selecting a value for an editable blueprint variable in the details window of an instance in the editor, no value is selected. It appears to occur in all newly created BPs but not in BPs I created before today with exposed actor reference variables (they still seem to work).
I do this frequently and am familiar with the requirements (must be editable and public, etc.). Perhaps there is something I am missing, but I think I covered all my bases. In this case the drop down populates with actors that are viable for selection (see image). But upon clicking no value is updated.
I tested to see if this is just a UI glitch and it was just displaying "none" even though a value was set. This is not the case. The variable is not valid at run time.
I tested an older blueprint in the same project with an exposed actor reference (to the same class as this case in fact) and it worked fine.
I then created a new actor blueprint, added one actor reference variable, and exposed it to the editor. When I placed an instance of this new BP in the level I was able to reproduce the glitch and was not able to select any actor even thought the drop down was suggesting options to select.
I further tested this with multiple types of actor references (i.e. reference variables to various classes) with the same results.
asked Jul 05 '18 at 11:02 AM in Bug Reports
If you have recently created the variable, it cannot have its instance or default value changed until you compile the class that contains it for the first time after adding that variable to the class. This might be why you're having this problem. All you need is to compile the class again after you added the new variable to it.
answered Jul 05 '18 at 07:36 PM
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