Looks like your Record ID field is set up incorrectly. You need to be passing the ID of the record you want to update into it, and it should look something like this:

To get the specific record ID of each record, add a new formula field into your table with the formula RECORD_ID()

In addition to @Adam_TheTimeSavingCo’s point above, are you trying to update one record every week, or every record in the table once a week?

The “Update Record” step is singular, it will only update one record at a time. If every record needs to be updated to a defined value every week, consider if using a Formula field would work.