[flexcoders] System Memory Bug - tracing output kicks an errror but not always

[patricklemiuex]

I have this exact line of code on two projects on my computer this
works, on my work computer it kicks an error


trace("Memory: ",flash.system.System.totalMemory/1024);

Description     Resource        In Folder       Location        Creation Time   
Id
2       1120: Access of undefined property flash.       SimpleTween.as
MeBucket3/com/me/views/types    line 531        May 8, 2007 9:05:56 AM  283048

Thanks,
Patrick