By Common errors, Abstract nouns

Hi, "Because of a confusion with that type of sentence, it is a curiously common error to put a comma in the absolute construction"Should not we use "beacause of confusion..."? Confusion is an abstract noun and can't take 'a' before it.Yes, 'a confusion' is wrong. Your following examples, with...

Hi, I was reading some resource of grammar on internet and came across this sentence."Because of a confusion with that type of sentence, it is a curiously common error to put a comma in the absolute construction"Should not we use "beacause of confusion..."? Confusion is an abstract noun and...