Problem with Smarty

Re6ih da polzwam Smarty. Pusnah demoto koeto vyrwi sys Smarty(Smarty-2.6.0/demo/) i to oba4e ne pojela da trugne, dade slednata gre6ka

Fatal error: Failed opening required '../libsDIRECTORY_SEPARATORcoreDIRECTORY_SEPARATORcore.get_microtime.php' (include_path='') in ../libs/Smarty.class.php on line 1183

nqkoj moje li da kaje ot kakwo e , predpolagam nqkakwa nastrojka trqbwa da se oprawi.

razbrah ot kude e problema. Versiqta na PHP trqbwa da e powisoka ot 4.0.6
kato go pusnah na po viskoka i nqma problem