Company code does not exist error while sending idoc

Hi Expert

I am trying to send idoc from one client(800) to another client(810).I have faced error Company code does not exist, searched scn ,Got solution if company code does not exist in reciever system(810 client) ,it will show this error  .Then i have tried to give specific company code which is exist in 810 client also .But same issue is coming . So what exactly the issue can any one say .

More Info:FI(Finance) header items and line items are sending .

Thanks & Regards