Minimum Purchase Error

Product:Quantity:Price:Total:FE-MTU 12V4000- 12V 4000 M60R, size - 16″ Diameter x 13 1/2" Tall Strait1  (Error)$16.00$16.00(FE-16V) Size, 10" diameter x 13" tall, cylinder shape1  (Error)$14.00$14.00FE-MTU-12V2000, size - 12″ Diameter x 15 1/2″ Tall Strait1  (Error)$15.00$15.00FE- Volvo 122P, size - 12 1/4" Diameter x 10.5" tall cylinder1  (Error)$14.50$14.50FE-MTU-16V4000, size- 16 5/8" Diameter x 13" Tall1  (Error)$17.50$17.50FE-6125A- 6125A Lugger, size - 121/2″ Diameter x 9 1/2″ Tall Strait Cylinder shape1  (Error)$14.00$14.00FE-176 CUMMINS 450 C 7.5" diameter x 8" tall strait1  (Error)$13.50$13.50Error => Minimum Purchase quantity of 6 units required of each product within the product group. (Rule ID = 541)