Perform each of the below steps until issue is resolved: 

Confirm the price type is Active:
  1. Navigate to Administration> Code Tables
  2. Filter by Ticketing
  3. Click on Price Type Code table name
  4. If Price Type is not Active, click drop down next to Price Type and select Edit
  5. Un-check Inactive and select OK
Verify that the price type is added to your program:
  1. Navigate to Tickets> Program Search
  2. Open the Program Record and note the Prices tab
  3. If Price Type is not listed, click Add and add the Price Type
  4. Click Save