What did the person who sent you the cert say when you asked them about it?
It sounds to me like you've been sent a draft version of the cert which is probably a result of one button not being pushed to finalise the certificate, I made the same mistake on certificate software myself in the past. Thankfully my customer had the sense to just call me and I fixed it for them, I'd be disappointed and think I'd failed to provide a good service if my customers thought that they'd get better help from a bunch of strangers on the internet than from asking me.