[AMPL 15275] error-- needs 2 subcripts not 1 ( need help) have also uploaded the model

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[AMPL 15275] error-- needs 2 subcripts not 1 ( need help) have also uploaded the model

yudhi2294
#sets 
param f;              #facility sites
param r;              #retailer
param c;              # customer
param t;              #time 

#Parameters

#manufacturing sites parameters  
param ci;   #Weekly production capacity of facility ;
param ui;   #Production cost at manufacture site  per unit.
param fi;    #Weekly facility cost in each facility  ;
param gi; #Weekly operating cost in each facility  ;

#transportation parameters
param dij{i in 1..f,j in 1..r}; #The distance between manufacture site  and retail store ,
param djk{j in 1..r,k in 1..c}; #The distance between retail store  and customer zone  , 
param aij; #Transportation cost from manufacture site   to retail store   (per mile)
param ajk; #Transportation cost from retail store  to customer zone  , (per mile)
param bij; #Fixed cost of each vehicle commute between manufacture site   to retail store  
param bjk; #Fixed cost of each vehicle commute between retail store  and customer zone  ;
param eij; #The capacity of each vehicle commute between manufacture site   to retail store  
param ejk; #The capacity of each vehicle commute between retail store  and customer zone  ;

#Retail store parameters
param o1; #Inventory holding cost retail store   in period  
param h1; #The cost of shortage at customer zone   at period  
param h2; #Weekly store cost at retail store ;
param h3; #Weekly operating cost in each district j;
param B; #Demand of customer zone  
param N; #The capacity of each retail store  at period  
param lj; #Minimum sales required (unit/day) for retail store  at period  



#Decision Variables
#continuous 
var x{i in 1..f,j in 1..r,k in 1..t};        #Total quantity of products shipped from manufacture site   to retail store  at period  
var w{j in 1..r, k in 1..c, l in 1..t};              #Total quantity of products shipped from retail store to customer zone  at period  
var s{j in 1..r, k in 1..t};                          #The amount of units stocked in the inventory of retail store at the at period
                   

#integers
var E{i in 1..f,j in 1..r} integer >= 1;
var q1{j in 1..r,k in 1..c} integer >= 1;

#binary
var y{i in 1..f}binary;                          #open facility
var oi{i in 1..f}binary;                           # if facility is opened 
var z{j in 1..r}binary;                            #open retailer
var rj{j in 1..r,i in 1..r}binary;                      #if retail store is opened 

#Objective
minimize total_cost: sum{i in 1..f} fi*y[i] + sum{i in 1..f} gi* + sum{j in 1..r} h2*z[j] + sum{j in 1..r} h3 + 

sum{k in 1..t,i in 1..f,j in 1..r} dij[i][j][k]*aij*E[i][j] + sum{l in 1..t,j in 1..r,k in 1..k} ajk*djk*q1  + sum{k in 1..t,i in 1..f,j in 1..r} bij*eij + sum{i in 1..t, j in 1..r,k in 1..c} bjk*q1 + sum{k in 1..t,i in 1..f,j in 1..r} ui*x[i][j][t] + sum{k in 1..t, j in 1..r} o1 * s + sum {  in 1..t,k in 1..c} ;



#Constraints
subject to only_open_hubs{i in 1..r,j in 1..r}: x[i,j] <= y[i];
subject to supply_retailstore{j in 1..r,i in 1..c,k in 1..t}: w[j,k,t] >= B; 
subject to mincapacity_retailstore { i in 1..r,j in 1..c,k in 1..t}: w[k] <= N*rj[j][i];
subject to Maxcapacity_retailstore {i in 1..r,j in 1..c,k in 1..t}: w[k] >= lj *rj[j][i];
subject to Retailstore_limit{j in 1..r}: rj[j][i] <= z ;
subject to Amountunits_stocked {i in 1..c,j in 1..r,k in 1..t}: s[j][k]-1 + sum{i in 1..f}x[i][j][k] - sum[i]* w[i][j][k] = s[j][k];
subject to stocked_1to7 {j in 1..r,k in 1..t}: s[j][k=1] = s[j][k=7];
subject to Facilityprod_capacity {i in 1..f}: sum{k in 1..t,j in 1..r}x[i][j] <= ci * oi;
subject to  Facility_limit{i in 1..f}: oi[i] <= y[i];
subject to Vehicles_facility{i in 1..f,j in 1..r, t in 1..t} : x[i][j][t] <= E[i][j][t] * eij;
subject to vehices_retailer{ j in 1..r,k in 1..c, t in 1..t} : w[j][k][t] <= ejk * q1[j][k];
subject to mbignumber{ i in 1..f,j in 1..r,t in 1..t}: E[i][j] <= 1000 * oi[i];
subject to mbignumber1{ i in 1..f,j in 1..r,t in 1..t}: E[i][j] <= 1000 * rj[i];
subject to mbignumber2{ j in 1..r,k in 1..c,t in 1..t}: q1[j][k] <= 1000 * rj[j];
subject to greaterthan0{i in 1..f,j in 1..r,k in 1..c,t in 1..t}: x[i][j][t] and w[j][k][y][t] and s[j][t] >=0 ; 
 

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