>snip...
>>>>This is my guess
>>>>Terry
>>>

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>>>Nice Try Terry, But I don't believe that one applies here. As this use to always work before. When just the other day one of my users told me they were getting this error. I tried it myself and sure enough, it would bomb. Why I wondered, all of a sudden like that. :)
>>

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hoping a line is above this...
>>Is CLS a memvar name or something named/defined in your program? It could be a latent typo as Terry suggests (especially if it happens at 2 different sites or on 2 different machines with the same app.).
>>
>>Good luck,
>>
>>Jim N
>

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>Jim,
>No I don't have a memvar with that name, that's one thing that freaks me out though. Check my reply to Jim Booth, as I will give more detailed info there.

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Another thing to consider is the possibility of the variable CLS in a filtered INDEX, with possibly something in the content of the SWFT1 record causing that index to be used (with concomitant error).

Again, good luck

Jim N