Error in sending sample notification (10.7)

[huor11]

I am getting these errors in my system.log on Mac 10.7 when I am trying to deploy the growl sample notification script using Altiris.
Can anyone please help me on this!
I am a beginner when it comes to troubleshooting on Mac machines.

 com.apple.launchd[1]: System: Bug: launchd_core_logic.c:10214 (25693):0
 com.apple.launchd[1]: System: This API can only be used by a process running within an Aqua session.
 osascript[402]: spawn_via_launchd() failed, errno=5 label=[0x0-0x1b01b].com.apple.systemevents path=/System/Library/CoreServices/System Events.app/Contents/MacOS/System Events flags=0