Which one is incorrect? (informed of)

[Maleki]

Would you please tell me which underlined choice is incorrect in the following sentence :

You Should have been informed of our decision in regard to our going on a weekend trip to the mountains.NO ERROR

Thanks
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I do my Best

[Mister Micawber]

.
No error. The sentence is quite awkward bureaucratese, however.
.
_________________
Canadian-American native speaker
who teaches English for a living at Mister Micawber's
ESL cafe: Interview with Mr. Micawber

[Toucar]

You should say informed about, regrading and our weekend trip
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College English teacher in Senegal but still a student at Cheikh Anta Diop University, Level, MA

Interested in translation, Business English and Grammar

[Mister Micawber]

.
Welcome to English-Test.Net, Toucar.

Your versions are indeed correct (except for your spelling of 'regarding'), but so is the original sentence.
.
_________________
Canadian-American native speaker
who teaches English for a living at Mister Micawber's
ESL cafe: Interview with Mr. Micawber

[Toucar]

ok it's an error
_________________
College English teacher in Senegal but still a student at Cheikh Anta Diop University, Level, MA

Interested in translation, Business English and Grammar