i am fasin this error Application is already deployed on other target

hi master

sir i use studio creater

no error in build project time but when i run my project the system give me this error windows

Application is already deployed on other target please use create-applicatoin-ref command to create reference to the specified target requested operation cannot be completed

please give me idea how i solve my error

thank's

aamir

[405 byte] By [mfa786a] at [2007-11-27 6:54:54]