OLE error "attempted to use an object that has ceased to exist"

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OLE

Hi all,
I have an app that is using OLE compound storage and for each stream it uses an CArchive that has the boolean m_bForceFlat on FALSE.

If I perform a copy on an PowerPoint object and place into my app, it pastes properlly.

The interesting thing is that I can save the document once, no issues...but when I save the document a second time, i get this weird error "attempted to use an object that has ceased to exist"

if I delete the OLE object and paste again from PowerPoint, i can save one time without issues, but a second save would give me the same error.

Now, If on the CArchive object used internally I switch m_bForceFlat to TRUE, the problem is solved.

I can't deliver the code that way (with the boolean on TRUE) beacuse of some internal reasons.

The function that failes deep inside OLE is ::OleSave with STG_E_REVERTED result.

Does anyone has an idea why is this error being produced like this?

Thanks,
Sorin.