diff --git a/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/psr/container/src/ContainerExceptionInterface.php b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/psr/container/src/ContainerExceptionInterface.php
new file mode 100644
index 0000000..cf10b8b
--- /dev/null
+++ b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/psr/container/src/ContainerExceptionInterface.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace Psr\Container;
+
+/**
+ * Base interface representing a generic exception in a container.
+ */
+interface ContainerExceptionInterface
+{
+}