SRL Archive - Who Are You ? Who ? Who ?

Hi my name is aaron and im new here
So hows it going
and can any one help me with this error

Failed when compiling
Line 157: [Error] (15384:1): Unknown identifier 'RunAwayDirection' in script C:\Program Files\SCAR 2.03\Scripts\Tree Smasher.scar
:confused:
Im such a noob at this stuff!!
plz help
Do i need to download a file or something to fix?