As mentioned in exception message, it seems that the function module tries to access GUI related function and it doesn’t support BAPIs. So it seems to be a custom RFC module or there is some bug in SAP coding and you should open a support ticket with SAP.Also, you shouldn’t ... Read More

You are absolutely correct. You cannot use anything other than DI to perform data manipulation.Because if you violate this, the warranty is void and SAP would stop any kind of support it.Coming to your point of using EF in your project, I will issue a simple warning to you just ... Read More

The method signature consists of the method name and the parameter list. Example Live Demo public class MethodSignature { public int add(int a, int b){ int c = a+b; return c; ... Read More