Index: ThirdPartyDownloads/Orthanc-1.11.1/OrthancFramework/Sources/Toolbox.h
--- ThirdPartyDownloads/Orthanc-1.11.1/OrthancFramework/Sources/Toolbox.h.orig
+++ ThirdPartyDownloads/Orthanc-1.11.1/OrthancFramework/Sources/Toolbox.h
@@ -26,6 +26,7 @@
 #include "Enumerations.h"
 #include "OrthancFramework.h"
 
+#include <cassert>
 #include <stdint.h>
 #include <vector>
 #include <string>
