diff --git a/server/00checkStartup.js b/server/00checkStartup.js
index 9589aa586..dfea3702f 100644
--- a/server/00checkStartup.js
+++ b/server/00checkStartup.js
@@ -1,4 +1,5 @@
 var fs = require('fs');
+var os = require('os');
 
 let errors = [];
 if (!process.env.WRITABLE_PATH) {
@@ -9,6 +10,7 @@ if (!process.env.WRITABLE_PATH) {
   } catch (err) {
     errors.push("can't write to " + process.env.WRITABLE_PATH, err);
     errors.push("the path of WRITABLE_PATH (" + process.env.WRITABLE_PATH + ") must be writable !!!");
+    errors.push("username: " + userInfo["username"] + " - uid: " + userInfo["uid"] + " - gid: " + userInfo["gid"]);
   }
 }