This Problem is in PAWN´s include.
Make sure that this:
[pawn]
#include <a_vcmp>
#include <core>
#include <float>
#include <Dini>
#include <dudb>
#include <dutils>[/pawn]
Those file must be in:
This is an example for you to understand.
Documents and settings/Destop/My server/pawno/includes/Here must be those includes