Let me share the message that was sent:
"You provided documentation to support your work experience with xxxx under NOC 1121. However, your employment / work experience reference letter does not describe your duties and responsibilities for each position you held in the company.
Please provide a detailed employment / work experience reference letter from xxx or any other supporting documents that describe your duties and responsibilities for each position held, including job descriptions, performance reviews, and job advertisements.
Please respond as soon as possible to avoid further delays to the processing of your application. You have 10 calendar days from the date of this letter to provide the additional information and/or documentation."