We were 3 candidates who had job offer ..from one employer
We 3 receive same letter on same day
With same mistake because of our representative
But still embassy didn’t use their brain who’s wrong there
It's not the embassy's responsibility to figure out who made the error - they hold the applicant responsible regardless of who completed the application.
As the applicant, it's your responsibility to ensure everything is accurate & complete. By signing the application, you stated that all documents were accurate/complete. If there are any errors in the application, you are held responsible by IRCC. You should have reviewed the application thoroughly before you consultant submitted it.