[xwiki-users] Not able to delete the page ?

Hi All, i am logged in as admin user who has all possible rights at wiki administration level . i have a space with the name MySpace. Now i created the page AppPage1 by mistake. i want to delete this page. But when i go for deletion , it gives me the message Are you sure you wish to move this document to the recycle bin? i clicked yes but then it gives the some run time error saying Wrapped Exception: com.jnetdirect.jsql.JSQLException: Cannot insert the value NULL into column 'XDD_ID', table 'WikiActualData.dbo.xwikirecyclebin'; column does not allow nulls. INSERT fails. at com.jnetdirect.jsql.JSQLException.makeFromDatabaseError(JSQLException.java:85) at com.jnetdirect.jsql.IOBuffer.processPackets(IOBuffer.java:547) at com.jnetdirect.jsql.JSQLStatement.getNextResult(JSQLStatement.java:2645) Complete stack trace is attached with this mail. I have tried my level best to delete this page but everytime it gives me the same error . I am not getting how to delete this page.