Error Message:
An illegal day range has been supplied.
Explanation:
You specified an illegal range of days. You must also type a hyphen between the first and last days of each range.
User Action:
When specifying days, use only the complete names of the days or valid Windows 2000 abbreviations. Valid abbreviations are M, T, W, Th, F, Sa, Su. Use a hyphen to separate the beginning and end of each range of days.