Bug Matomo 3.3.0

Hi,

This seems to be the same issue as this one:

Can you try to apply this change and check if this fixes the issue for you
https://github.com/matomo-org/matomo/compare/twigroot

diff --git a/core/Twig.php b/core/Twig.php
index c36452055b..b34b8d11bb 100755
--- a/core/Twig.php
+++ b/core/Twig.php
@@ -313,7 +313,7 @@ private function getDefaultThemeLoader()
     {
         $themeLoader = new Twig_Loader_Filesystem(array(
                                                        sprintf("%s/plugins/%s/templates/", PIWIK_INCLUDE_PATH, \Piwik\Plugin\Manager::DEFAULT_THEME)
-                                                  ));
+                                                  ), PIWIK_DOCUMENT_ROOT.DIRECTORY_SEPARATOR);
 
         return $themeLoader;
     }
@@ -330,7 +330,7 @@ protected function getCustomThemeLoader(Plugin $theme)
         }
         $themeLoader = new Twig_Loader_Filesystem(array(
                                                        sprintf("%s/plugins/%s/templates/", PIWIK_INCLUDE_PATH, $theme->getPluginName())
-                                                  ));
+                                                  ), PIWIK_DOCUMENT_ROOT.DIRECTORY_SEPARATOR);
 
         return $themeLoader;
     }