Originally posted by: sandeepsinghchauhan

forall (j in 1..ATrucks){
             forall(i in Order: i.MODE == 1){
                        forall (k in Order:k.LoadNumber == i.LoadNumber){                        
                                   sum(p in Order)p.Weight*P1[p.OrderID == j] == l[j];
                    }
            }
  }

ERROR: Unsupported slot array

Hi

sum(p in Order)p.Weight*P1[p.OrderID == j] == l[j];

looks quite strange indeed

Why not writing

(sum(p in Order:p.OrderID == j)p.Weight*P1[p]) == l[j];

?

regards