Error Occured During issue posting

Hello Sir,

when we posting issue material below message is occured. please help me asap,

a fix application was not unapplied and this prevented the reapplicatio. use the application worksheet to remove the application

Error message is giving you the solution. Check the same

Check following Link

http://msdn.microsoft.com/en-us/library/hh176934(v=nav.70).aspx