Problem
The Quantity column shows "none available" for a discount code.
Possible cause
All uses for that discount code have been used up. Customers can no longer redeem it.
Solution
Click the three-dot menu (⋮) for the discount code and select Edit.
Increase the value in the Maximum number of uses field.
Save the changes.
If the problem persists, contact support and include details about:
The name of the discount code in question.
When the issue occurred.