a): Indicates the error number.

b): Indicates the error description. If an unexpected error or an error that requires further investigation occurs, the "An unexpected error occurred." message is displayed.

c): Indicates the major cause of the error. If the error cause cannot be identified, the "The error cause is unknown." message is displayed.

d): Indicates the measures to avoid the error. If different measures are required depending on the situation or further investigation is required, the"Please contact our official partners or your vendor." message is displayed.