>One occasional reason would be index corruption (and yes with corrupted indexes I have seen all sorts of unrelated error messages).
>However instead of chasing it, I would stop using public and private variables and use only local variables. Pass the variables as parameters where needed and store to properties where it is needed form wise.
>Cetin

Thanks for the info.... sounds like something that should be checked. Guess I need to go into this code and clean up the parameter passing.... (not my code.... it is old DOS code that thas been passed down to me through the years.... sigh....). Very good advice!