When PHP-DI not found, hint user to composer update

1 files changed, 3 insertions, 0 deletions

diff --git a/core/StaticContainer.php b/core/StaticContainer.php
index 35f486d801..49b025fa5b 100644
--- a/core/StaticContainer.php
+++ b/core/StaticContainer.php
@@ -43,6 +43,9 @@ class StaticContainer
      */
     private static function createContainer()
     {
+        if (!class_exists("DI\\ContainerBuilder")) {
+            throw new \Exception("DI\\ContainerBuilder could not be found, maybe you are using Piwik from git and need to update Composer. $ php composer.phar update");
+        }
         $builder = new ContainerBuilder();
 
         // TODO add cache