>I've come across this error recently in a web app using Web Connection. I've heard that AddProperty should never return this error and was unable to reproduce this myself. What I've found on the internet leads me to believe that this is a VFP 8 bug. Either SP1 for VFP8 or VFP9 will fix this error.
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>Is this information correct?

You yourself have the best setup to find out. Any reason not to apply at least SP1 for Ver. 8 ?