thx angel, some of my error is solved

wat about for
<MY.BLEND=ON>
CODE_TEST3.WDL 5961:0 Error(50):Parameter inknow -1 Parameter

<my.speed_x=random(6)-3>
CODE_TEST3.WDL 6013:0 Error(50): Parameter unknow speed_x Parameter

<my.speed_y=random(6)-3>
CODE_TEST3.WDL 6013:0 Error(50): Parameter unknow speed_y Parameter

<my.speed_z=random(6)-3>
CODE_TEST3.WDL 6013:0 Error(50): Parameter unknow speed_z Parameter

all my other error also is about parameter unknow
anyone know how to solve it?