Fix crash when trying to set field on a value that is not an object

fixes #9779

diff --git a/lib/config/vmops.hpp b/lib/config/vmops.hpp
index a6e26199a2d0ed56fc5e6764a11891d1e62e34f6..e7827492ff47883765d782efea40d62d744b618f 100644 (file)
--- a/lib/config/vmops.hpp
+++ b/lib/config/vmops.hpp
@@ -287,6 +287,9 @@ public:
 
        static inline void SetField(const Object::Ptr& context, const String& field, const Value& value, const DebugInfo& debugInfo = DebugInfo())
        {
+               if (!context)
+                       BOOST_THROW_EXCEPTION(ScriptError("Cannot set field '" + field + "' on a value that is not an object.", debugInfo));
+
                Dictionary::Ptr dict = dynamic_pointer_cast<Dictionary>(context);
 
                if (dict) {