Prevent consumption of ingredients that don't have a first effect

CHANGELOG.md

@@ -40,6 +40,7 @@
     Bug #7088: Deleting last save game of last character doesn't clear character name/details
     Bug #7092: BSA archives from higher priority directories don't take priority
     Bug #7122: Teleportation to underwater should cancel active water walking effect
+    Bug #7163: Myar Aranath: Wheat breaks the GUI
     Bug #7172: Current music playlist continues playing indefinitely if next playlist is empty
     Feature #5492: Let rain and snow collide with statics
     Feature #6447: Add LOD support to Object Paging

apps/openmw/mwclass/ingredient.cpp

@@ -12,6 +12,7 @@
 #include "../mwworld/actioneat.hpp"
 #include "../mwworld/cellstore.hpp"
 #include "../mwworld/esmstore.hpp"
+#include "../mwworld/nullaction.hpp"
 #include "../mwworld/ptr.hpp"
 
 #include "../mwgui/tooltips.hpp"
@@ -72,6 +73,8 @@ namespace MWClass
 
     std::unique_ptr<MWWorld::Action> Ingredient::use(const MWWorld::Ptr& ptr, bool force) const
     {
+        if (ptr.get<ESM::Ingredient>()->mBase->mData.mEffectID[0] < 0)
+            return std::make_unique<MWWorld::NullAction>();
         std::unique_ptr<MWWorld::Action> action = std::make_unique<MWWorld::ActionEat>(ptr);
 
         action->setSound(ESM::RefId::stringRefId("Swallow"));