I think the subject can stand for it's own. Reproducible: Always Steps to Reproduce:
I am very sorry, it seems this report is invalid... I tried to reproduce the message, but couldn't. Perhaps the message was created while unmerging the old instance.
I fixed it 12 hours ago...
Again: Sorry for bothering you, I found out myself that this is invalid... I don't exactly know how I got the einfo, but I think it could be during unmerging the old instance.