thanks just 20 columns

So it is not possible to look for a value in an array whose return column depends on an entered value? where what function should I use?

Hello, I block on LOOKUP (v, t, c, r) because I have an r depending on a ref column ([tarif]) in the input screen. the ref column gives the name of the column to look for in the table but unfortunately there was an error when entering the formula (LO...