I am also using VFP8 SP1. I am at least getting the same error as you. I only get the C5 when I try to use the debugger. I'll let you know if I figure something out.

>I am using VFP 8 SP1, Lotus Notes v5.0.2b and eReports to create the PDF.
>
>The error is "OLE error code 0 x 80010105. The server threw an exception" and it occurs on the DOC.Embed line (according to the VFP debugger). If I comment out that line, everything goes as planned - the pdf is created, the Lotus Notes doc is created and sent.