>You are correct. The PADR() is what I was missing in the expression. Thank you!
It's a general principle, in Visual FoxPro, that index expressions must be of a fixed length. padr() can often help in such cases.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)