I did the following:
* Started windbot, selected the script, set up the backpacks on the script.
*Turned on cavebot and the script opened the backpacks.
I didn't test it all the way to the spawn, since my mage didn't have $$, but the script seemed to be working.
I'm not sure what you're doing wrong, but you'll have to give more details than "it's not working" if you want someone to be able to help you.
Thanks for u support, if any mod can help me im apreciated =(