The first one is standard.
Second one is also a standard statement, but not standard to actually see. Honestly I don't know that I have ever seen that statement out in the wild. It's like something you study about in school - but rarely see.
It could mean anything, with regards to discrepancies found in the financials. The main thing is that, what was found is material - and when you are talking about numbers this big - the discrepancy must have been significant.