Sorry, my server can correctly read the AOB address you provided, but when <script> [BetterVac] is enabled it is not available? Do you understand why?
aobscan(_aVac,8B 50 1C 89 51 20) = address : 00CB21A9
aobscan(_aVac,8B 50 1C 89 51 20) = address : 00CB21A9