Kerblam!

When the Thirteenth Doctor receives a mysterious call for help packaged with a delivery from Kerb!am, the galaxy's largest retailer, she and her friends get to work in finding out the cause of the distress. However, is the human 10% of the workforce rebelling against the robots, or is there a much more complicated plot going on? She later finds out the system types all the slips, including the one she got. Why is the system needing help?