Regarding dual function

[SK111]

Hello Friends,

Appreciate your time. could you let me know the issue in the existing dual function below

store_Loop:
Load distinct  store_levels
resident store;
;

LET NumDFTables = NoOfRows('store_Loop');

for i=1 to $(NumDFTables)
Load dual ( i,j ) as str inline
[
i,j
1,A
2,B
3,C
4,D
5,E
6,F
7,G
8,H
9,I
10,
];

concatenate(Fact)
load distinct merchant&$(i) as  key
resident Fact;

I am trying to get merchant&A,merchant&B and so on as a key.,could you kindly let me know.,thank you!

[Vegar]

You have swapped the parameters in the dual. Try this:

dual ( j,i ) as str