Please post your snippet call.
The most common error are:
1) using single quote rather than back-ticks,
2) with embedded snippet calls within other snippet calls you need to alternate the cache settings,
3) using an uncahed snippet call on a cached document (or is it the other way around),
4) using a special char in the snippet parameter, you cant use stuff like & or "" in the parameter.
5) ... I can’t remember anymore but there must be
If these don’t do it post your call and someone will check it for errors.
