SupBro's Broken Build Script

//Build Menu
alias buildsentry "build 2";
alias builddispenser "build 0";
alias buildentry "build 1";
alias buildexit "build 3";
//Destroy Menu
alias destroysentry "destroy 2";
alias destroydispenser "destroy 0";
alias destroyentry "destroy 1";
alias destroyexit "destroy 3";

bind x build
bind z destroy
alias destroy "bind 1 destroysentry; bind 2 destroydispenser; bind 3 destroyentry; bind 4 destroyexit; "
alias build "bind 1 buildsentry; bind 2 builddispenser; bind 3 buildentry; bind 4 buildexit"