Did you search for the Short Name : APPRVL ?
The corresponding executable is APXAPRVL
Please let me know if you still cannot find.
Invoice Validation Program is available in R12.0.6.
Please check as:
System Administrator > Concurrent > Program > Define
I have checked the above 2 navigation and did not find that program. I did check the Short Name : APPRVL and it shows the program name as Payables Approval Program...Not sure if this is customized in our system because this is what business is using for Invoice validation.
In R12 the concurrent program name is "Invoice Validation Program" and this concurrent program is available in R12.1.3. Short name of the concurrent program is "APPRVL". Please check whether this concurrent program is assigned to the request group or not. If not, please add and check.