Errors.csv file provide more specific error

As requested by customer, whenever there is a bulk update for users inside Control Hub and the template .csv file uploaded contains invalid or numbers that does not exist inside the organization of the customer in the column "Caller ID Number", the errors.csv file generated only contain the message "Request failed due to a server error. Please try again." instead of a more specific text to guide the customer on what is the issue.

Feature request:

Provide more specific information in the errors.csv file whenever there is an error in the "Caller ID Number" column in the template file uploaded.