Ignore BEAMMP_FN_NOT_FOUND errors

src/TLuaEngine.cpp

@@ -65,10 +65,12 @@ void TLuaEngine::operator()() {
                     }
                 }
                 if (Res->Error) {
+                    if (Res->ErrorMessage != BeamMPFnNotFoundError) {
                         beammp_lua_error(Res->Function + ": " + Res->ErrorMessage);
                     }
                 }
             }
+        }
     });
     // event loop
     auto Before = std::chrono::high_resolution_clock::now();
@@ -140,10 +142,12 @@ void TLuaEngine::WaitForAll(std::vector<std::shared_ptr<TLuaResult>>& Results) {
             std::this_thread::sleep_for(std::chrono::milliseconds(10));
         }
         if (Result->Error) {
+            if (Result->ErrorMessage != BeamMPFnNotFoundError) {
                 beammp_lua_error(Result->Function + ": " + Result->ErrorMessage);
             }
         }
     }
+}
 
 // run this on the error checking thread
 void TLuaEngine::ReportErrors(const std::vector<std::shared_ptr<TLuaResult>>& Results) {