Illegal pattern character

Hi

I have error "Illegal pattern character 'y'" in Personalization tab of Properties of Publication object in CMC and InfoView if

Source Crystal reports documents of Publication object contains date parameters with some default date.

BusinessObjects Enterprise XI 3.1 running at Windows 2003 server. Product Locale: English,

Preferred Viewing Locale: English (US).

May be someone know smth about this?