Check the [Job ticket items] 

The required [Job ticket items] must be available before you can create or configure a formula.

1. Check that all required [Job ticket items] are available in the job ticket table. If the required [Job ticket items] are not available see : Add items

2. Check that all required values of the [Job ticket items] are available in column [Item values]. Column [Item values] is column B of the worksheet "CostSheet". If the required values are not available, do sub-step a:

   1. Close the Formula manager. Open the [Product & order editor] to create the required [Item values].