Could anyone help me to resolve the below error.
I have added a web service to do simple maths calculation. I am trying to perform the calculation by calling web service. However I am getting the below error as shown below.
View attachment 1537468053393.png
I have added a web service to do simple maths calculation. I am trying to perform the calculation by calling web service. However I am getting the below error as shown below.
View attachment 1537468053393.png