[Koha] Koha [Some Error in MARC Checks]

Dear All I m finding error in MARC Checks Error is ''''''''''''''''''''''''''''''''''''''''''''' item fields ALL items fields MUST : be mapped to the same tag, and they must all be in the 10 (items) tab ''''''''''''''''''''''''''''''''''''''''''''' Can u give me some suggestion regarding this? I m using Winxp and 2.28 koha LMS Waiting for your valuable reply Regards, Dipen +91-9869665220 5, 50, 500, 5000 - Store N number of mails in your inbox. Go to http://help.yahoo.com/l/in/yahoo/mail/yahoomail/tools/tools-08.html