Добавил namespace и зависимости

src/Database/Manager.php

@@ -1,6 +1,12 @@
 <?php 
 
-class Database_Manager 
+namespace ctiso\Database;
+use ctiso\Database,
+    ctiso\Tools\SQLStatementExtractor,
+    ctiso\Path,
+    Exception;
+
+class Manager 
 {
     public /*.Database.*/$db;
 
@@ -36,7 +42,7 @@ class Database_Manager
     				$file = $action["source"];
                 }
 
-                $stmtList = Tools_SQLStatementExtractor::extractFile(Path::join(dirname($db_file), $file));
+                $stmtList = SQLStatementExtractor::extractFile(Path::join(dirname($db_file), $file));
                 foreach($stmtList as $stmt) {
                     $this->db->executeQuery($stmt);
                 }