Please look at the following error.
Unable to see the error from the screenshot provided. Can you please Copy and Paste the error directly?
Thanks & Regards,
It shows that the workbook is null when using excel connector method SetCellValuesIfRowHas.
In order to use any excel methods, first you need to use Open component and pass the required information. Based on the error i can understand that there is no Open method used as Workbook is Null.