@DC81 did you submit a bug report at the SketchUp support link that @francisquitof posted? Your post made me investigate to see if the Print function was the cause of all my Failed to save errors…and I believe it is! This has been haunting me for years! So, I just submitted a bug report to the SU support team to see if they can reproduce the error and fix it.
Here’s what I reported (minus the pics as I couldn’t include them in the bug report):
Failed to Save Bug.pdf (618.5 KB)
Hopefully they can get this fixed…