If you don't know JASS then don't bother with vJASS. vJASS is just an extended version of JASS.
Newgen is a world editor that extends the capabilities of the regular world editor. Use the search function please, it's even explained in a sticky at the top of the world editor page, 'Useful Tools'.
Ghan has said he has fixed this. Monovertex please confirm this fix. This was only a problem with people that had signatures in the upper levels like not the special members but the respected members.