diff --git a/ScStwLibraries/ScStwLibraries.pri b/ScStwLibraries/ScStwLibraries.pri
index 5a3eb37..ae2576f 100644
--- a/ScStwLibraries/ScStwLibraries.pri
+++ b/ScStwLibraries/ScStwLibraries.pri
@@ -1,3 +1,5 @@
+QT += qml quickcontrols2
+
 !isEmpty(SCSTWLIBRARIES_LIB):error("ScStwLibraries.pri already included")
 SCSTWLIBRARIES_LIB = 1
 
diff --git a/ScStwLibraries/headers/ScStw.hpp b/ScStwLibraries/headers/ScStw.hpp
index 195b750..263c951 100644
--- a/ScStwLibraries/headers/ScStw.hpp
+++ b/ScStwLibraries/headers/ScStw.hpp
@@ -150,6 +150,8 @@ public:
         AccessDeniedError = 401,
         NoSessionActiveError = 408,
 
+        UpdateFailedError = 500,
+
         Error = 900,
         NotConnectedError = 910,
         TimeoutError = 911,