error during the download program on IC200CPUE05 VERSAMAX

[ykr1989]

Good evening, during the download program on a IC200CPUE05 VERSAMAX, after returning the necessary information in the set tempory IP address,the following errors are displayed

-check the address mac of the PLC
-The current user logged on the development computer must have full administrator privileges
-The target must be PACSystems Located on the development computer's local subnet, as specified by the computer's subnet mask and the IP addresses of the computer and the PACSystems.

I think I have corrected these faults however i not understand very well the third error and I'm still not able to download the program,the same message are displayed,please help me.
note:i use proficy machine edition 7.0