Error while installing SEP from SEPPrep config file

Following error occured while automatic uninstalling mcafeeand forefront and installing SEP 12.1.4 from SEPprep file.

Also how to push SEP installation from sepprep throug manager console automatically.

[Settings]
ShowGUI=N
ShowMessageBox=N
MessageBoxText=Prepairing your system for Symantec Endpoint Protection 11.0.  During this process other antivirus products will be removed.\n\nIf you are prompted please fully remove these products.
AutoRunAfterUILoads=N
AskBeforeRemoval=Y
SilentMSIInstaller=Y
RemoveSymantec=N
CheckDiskSpace=Y
ResumeAfterReboot=Y
EnableLogging=N
LogPath=
RunBeforeRemoval=
RunAfterRemoval=SEPSetup.exe