When Adding/Registering/Assigning stalls:
When possible, do the Stall Assignment during Registration of the Riders/Horses. It's quicker and easier than doing Stall Assignment as a separate process. However, when it isn't possible to do so....
First you will be asked to select the Show where Stall Assignments are taken. If the Stall Assignment [_] Checkbox on the Show Page is not checked, the Show(s) will not be available for selection.
After Selecting the Show, you will be asked to select the Rider & Horse for Stall Assignment: