workaround for NPC activation crash

apps/openmw/engine.cpp

@@ -420,6 +420,10 @@ void OMW::Engine::go()
 }
 
 void OMW::Engine::activate()
+{
+    // TODO: This is only a workaround. The input dispatcher should catch any exceptions thrown inside
+    // the input handling functions. Looks like this will require an OpenEngine modification.
+    try
     {
         std::string handle = mEnvironment.mWorld->getFacedHandle();
 
@@ -453,6 +457,11 @@ void OMW::Engine::activate()
             interpreterContext.executeActivation();
         }
     }
+    catch (const std::exception& e)
+    {
+        std::cerr << "Activation failed: " << e.what() << std::endl;
+    }
+}
 
 void OMW::Engine::setCompileAll (bool all)
 {