When updating a Smartsheet I get the following error message:
"Required object attribute(s) are missing from your request: row.id"
To update the Smartsheet you need to provide the unique row identifier, that you want to update.
ID column automatically gets generated by our REST component for Smartsheets in the Column Mappings page. Please make sure you don't have an original column with the name 'ID' in your Smartsheet or otherwise, the automatically generated ID column will not get generated. Please look at the screenshot below: