You are getting this error because the variable you are calling the method on is not valid. You can check that using the “IsValid” node beforehand. Did you maybe forgot to assign the result of the CreateWidget node to your variable?
You are getting this error because the variable you are calling the method on is not valid. You can check that using the “IsValid” node beforehand. Did you maybe forgot to assign the result of the CreateWidget node to your variable?