regarding Intetegration Repository

hi friends,

I have created one scenario in Integration Repository.............

now , when i m Trying to trasnsfer Integration scenario from repository in integration directory...........

than error message is coming...............

Connection to system REPOSITORY using application REPOSITORY lost. Detailed information: Error accessing "http://rfldevdxi:50100/rep/query/int?container=any" with user "PIDIRUSER". Response code is 401, response message is "Unauthorized"

give me some solution