diff --git a/murano/dsl/exceptions.py b/murano/dsl/exceptions.py
index c8c4039c..c923ff84 100644
--- a/murano/dsl/exceptions.py
+++ b/murano/dsl/exceptions.py
@@ -44,8 +44,11 @@ class NoMethodFound(Exception):
 
 
 class NoClassFound(Exception):
-    def __init__(self, name):
-        super(NoClassFound, self).__init__('Class "%s" is not found' % name)
+    def __init__(self, name, packages=[]):
+        packages = ', '.join("{0}/{1}".format(p.name, p.version)
+                             for p in packages)
+        super(NoClassFound, self).__init__(
+            'Class "{0}" is not found in {1}'.format(name, packages))
 
 
 class NoPackageFound(Exception):
diff --git a/murano/dsl/murano_package.py b/murano/dsl/murano_package.py
index b2abb8b6..3f3e66f7 100644
--- a/murano/dsl/murano_package.py
+++ b/murano/dsl/murano_package.py
@@ -143,8 +143,8 @@ class MuranoPackage(dsl_types.MuranoPackage):
         result = self._classes.get(name)
         if result:
             return result
-
         if search_requirements:
+            pkgs_for_search = []
             for package_name, version_spec in self._requirements.iteritems():
                 if package_name == self.name:
                     continue
@@ -153,8 +153,11 @@ class MuranoPackage(dsl_types.MuranoPackage):
                 try:
                     return referenced_package.find_class(name, False)
                 except exceptions.NoClassFound:
+                    pkgs_for_search.append(referenced_package)
                     continue
-        raise exceptions.NoClassFound(name)
+            raise exceptions.NoClassFound(name, packages=pkgs_for_search)
+
+        raise exceptions.NoClassFound(name, packages=[self])
 
     @property
     def context(self):