Minimum Purchase Error

Product:Quantity:Price:Total:FE-195- Caterpillar 3116 Single Turbo, Size 7 1/2" Base Diameter x 8" Tall Cone1  (Error)$13.00$13.00FE-195-Caterpillar 3208 320 hp Single Turbo, Size 7 1/2" Base Diameter x 8" Tall Tapered Cone1  (Error)$14.00$14.00FE-195- Caterpillar 3208 260 hp Single Turbo, Size 7 1/2" Base Diameter x 8" Tall Tapered Cone1  (Error)$14.00$14.00FE-VOLVO PENTA, size - 8" Diameter x 3 3/4" Tall1  (Error)$14.50$14.50FE-6BTA-5 Cummins 6BTA, size- 6"diameter x 10.25 Tall cylinder shape1  (Error)$13.00$13.00FE-MTU-12V2000, size - 12″ Diameter x 15 1/2″ Tall Strait1  (Error)$15.00$15.00FE-201- 12V-149 Four Turbo, size - 12″ Diameter x 14″ Tall Cylinder Shaped1  (Error)$13.50$13.50Error => Minimum Purchase quantity of 6 units required of each product within the product group. (Rule ID = 541)