diff --git a/include/addons/lua_engine.hpp b/include/addons/lua_engine.hpp
index 4a0027bb..6302a64c 100644
--- a/include/addons/lua_engine.hpp
+++ b/include/addons/lua_engine.hpp
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <functional>
 #include <string>
 #include <vector>
 
@@ -47,9 +48,14 @@ public:
     lua_State* getState() { return L_; }
     bool isInitialized() const { return L_ != nullptr; }
 
+    // Optional callback for Lua errors (displayed as UI errors to the player)
+    using LuaErrorCallback = std::function<void(const std::string&)>;
+    void setLuaErrorCallback(LuaErrorCallback cb) { luaErrorCallback_ = std::move(cb); }
+
 private:
     lua_State* L_ = nullptr;
     game::GameHandler* gameHandler_ = nullptr;
+    LuaErrorCallback luaErrorCallback_;
 
     void registerCoreAPI();
     void registerEventAPI();
diff --git a/src/addons/lua_engine.cpp b/src/addons/lua_engine.cpp
index 0c54d838..f64eabfb 100644
--- a/src/addons/lua_engine.cpp
+++ b/src/addons/lua_engine.cpp
@@ -3820,8 +3820,9 @@ void LuaEngine::fireEvent(const std::string& eventName,
         int nargs = 1 + static_cast<int>(args.size());
         if (lua_pcall(L_, nargs, 0, 0) != 0) {
             const char* err = lua_tostring(L_, -1);
-            LOG_ERROR("LuaEngine: event '", eventName, "' handler error: ",
-                      err ? err : "(unknown)");
+            std::string errStr = err ? err : "(unknown)";
+            LOG_ERROR("LuaEngine: event '", eventName, "' handler error: ", errStr);
+            if (luaErrorCallback_) luaErrorCallback_(errStr);
             lua_pop(L_, 1);
         }
     }
@@ -3847,7 +3848,10 @@ void LuaEngine::fireEvent(const std::string& eventName,
                         for (const auto& arg : args) lua_pushstring(L_, arg.c_str());
                         int nargs = 2 + static_cast<int>(args.size());
                         if (lua_pcall(L_, nargs, 0, 0) != 0) {
-                            LOG_ERROR("LuaEngine: frame OnEvent error: ", lua_tostring(L_, -1));
+                            const char* ferr = lua_tostring(L_, -1);
+                            std::string ferrStr = ferr ? ferr : "(unknown)";
+                            LOG_ERROR("LuaEngine: frame OnEvent error: ", ferrStr);
+                            if (luaErrorCallback_) luaErrorCallback_(ferrStr);
                             lua_pop(L_, 1);
                         }
                     } else {
diff --git a/src/core/application.cpp b/src/core/application.cpp
index ea1a2a7a..63b2c2f9 100644
--- a/src/core/application.cpp
+++ b/src/core/application.cpp
@@ -335,6 +335,10 @@ bool Application::initialize() {
         if (addonManager_->initialize(gameHandler.get())) {
             std::string addonsDir = assetPath + "/interface/AddOns";
             addonManager_->scanAddons(addonsDir);
+            // Wire Lua errors to UI error display
+            addonManager_->getLuaEngine()->setLuaErrorCallback([gh = gameHandler.get()](const std::string& err) {
+                if (gh) gh->addUIError(err);
+            });
             // Wire chat messages to addon event dispatch
             gameHandler->setAddonChatCallback([this](const game::MessageChatData& msg) {
                 if (!addonManager_ || !addonsLoaded_) return;