Hello Terence,
if you have bought the VM extension lately, you need to be carefull about the version.
VM extension 1.1.x will work only with JoomSEF 2.x.
For JoomSEF 1.x, you will need VM extension 1.0.x.
If you bought wrong version (1.1.1) and you do not wish to upgrade to JoomSEF 2.x yet, write us to
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, we will send you correct version (1.0.x).
Just please note that the newest features (setting individual parameters for each extension) are only available with JoomSEF 2.x and the newest extenstions for it.
Best regards,
michal