Originally Posted by sanchalanam
I don`t think that prima facie is correctly used here. The context is a common one and not a context related to legal terms or a formal one as I see. It sounds too pretentious.
Therefore, this sentence should sound like :
At first glance I cannot believe that this is the actual issue here; it could be just a coincidence.
As far as I know this phrase is of Latin origin and it is a legal term that means "at first view" in English.
e.g. A prima facie case presented to a Grand Jury by the prosecution will result in an indictment.