SAP Message 8I254 - Material & is not declared for subcontracting

Procedure
To activate the material for subcontracting, proceed as follows:
Go to the material master.
Enter the material number and choose Select View(s).
Select Foreign Trade: Import Data and choose Continue.
In the Excise Data group box, select Subcontractors.
Save the material master and continue with the subcontracting challan.