From the encountered issue description it seems that this is an error caused due to UiPath.Excel.Activities package version that you are using.
It was working before?
Did you upgrade recently the UiPath.Excel.Activities package in your process?
From the encountered issue description it seems that this is an error caused due to UiPath.Excel.Activities package version that you are using.
It was working before?
Did you upgrade recently the UiPath.Excel.Activities package in your process?