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Stub Error suddenly coming up

Stub Error suddenly coming up

Stub Error suddenly coming up

(OP)
I've had an MTS object working fine for about a week:  Suddenly it's going weird, and if I've changed anything I can't think what it may be.

The class is written in vb.  It's a regular stateful class which I've made stateless by taking its variables and properties and putting them into a string which gets passed back and forth between the client and the server on specific calls.

However, now whenever I access one particular property (which happens to be a date property) for the second time (!) I get "Method '~' of object '~' failed".  When running in debug it identifies this as being "Method 'Intro_Date' of object '_cContact' failed", and when you put the object into debug as well the point of failure is when the property exits.

the first time it works:  The second time it fails as above:  The third time it says "The stub received bad data".

The metadata string gets passed back and forth the whole time.  The class receives it as a variant, but converts it to a string once it arrives.

Any clues?

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