Excel Application Scope: Value cannot be null error

Hi all,

I am attempting to convert .xlsx files with multiple worksheets to individual .csv files. In my Excel Application Scope activity, I keep getting the following warning:

What does this warning mean? I can’t figure out the root of this error.

For reference, after that activity, I have a Get Workbook Sheets followed by a For Each activity. Thank you in advance for the help!


Before passing to Excel application scope try to print the value of file and check once.

Try assigning the Output a valid Workbook variable. It’s blank in your screenshot.