How to pass empty argument to vbscript through start process


I need to retrieve the data from excel and need to place that in SAP. For this, i am recording the process through vb script and passing values dynamically through arguments in start process Sometimes those variables may not have values. In this case i am getting script error “subscript out of range”. Please suggest on the same

Do you get the error while being in the script? If so, you could just add a “if” to check if the variable is empty before trying to do anything with the variable