>Can you give an explicit example (i.e. more information about the class from which the 'not found' object would be instantiated, etc.
>Could this be related to SQL connections?

This one will also take time. Those are extremely sophisticated situations where I need to find what exactly is causing that. But, it wouldn't surprise me it would be related to the SQL connections. That would be the only think I could see which would be affected by a new compilation.