A substitution is enforced if the prerequisite is met.
The development and unit testing went fine in the development system.
If the field value is blank, the call-up point does not appear in the screen to define Validations or Substitutions.
The fields can have the following values: Generally, only the values blank and X are used.
The GB31 data entries for FI look as below: As seen, GBVALUSE has selection only for 3 call-up points with X.
The value is blank for Cost of Sales Accounting and Cost of Sales Accounting (New) call-up points.
Hence, when defining validations, only 3 call-up points will be available.