scope cannot be deleted while launching

while i am simulating i am getting errors like "Undefined function 'getNumInputs' for input arguments of type 'struct' ". when i try to open scope i get warning like dot indexing is not for variables of this type,after that when i try to delete the scope i get warning like "scope cannot be deleted while launching".

[Paul Fritsche]

I am receiving the same error. Did you found any solultion?