When the Order number is too large (> INTEGER.MAX), the error message that appears tells the User that the Index is not a non-zero unsigned Integer, but in fact it is, and the error should be an integer overflow.
Moreover, the use of the word Index may be confusing because the error in this case refers to the Client Id.

When the Order number is too large (> INTEGER.MAX), the error message that appears tells the User that the Index is not a non-zero unsigned Integer, but in fact it is, and the error should be an integer overflow.
Moreover, the use of the word Index may be confusing because the error in this case refers to the Client Id.