From a5e75554addfbf6ab83f9741b3dc9e3788dfdd7f Mon Sep 17 00:00:00 2001
From: "Alexander A. Klimov" <alexander.klimov@icinga.com>
Date: Fri, 15 Dec 2017 11:58:54 +0100
Subject: [PATCH] Don't require module.less

refs #3149
---
 library/Icinga/Application/Modules/Module.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/library/Icinga/Application/Modules/Module.php b/library/Icinga/Application/Modules/Module.php
index f07f34908..52b283829 100644
--- a/library/Icinga/Application/Modules/Module.php
+++ b/library/Icinga/Application/Modules/Module.php
@@ -528,7 +528,9 @@ class Module
     {
         $this->launchConfigScript();
         $files = $this->cssFiles;
-        $files[] = $this->getCssFilename();
+        if (file_exists($this->getCssFilename())) {
+            $files[] = $this->getCssFilename();
+        }
         return $files;
     }