refs #23031 replace muon logger warning with warning msg box

qt/widgets/common/src/MuonFitPropertyBrowser.cpp

@@ -1259,9 +1259,9 @@ void MuonFitPropertyBrowser::setTFAsymmMode(bool enabled) {
       m_settingsGroup->property()->removeSubProperty(m_keepNorm);
     }
   } else if (enabled) {
-    g_log.warning("No fitting function provided. Please add a function");
-    // will update when user clicks elsewhere
-    m_boolManager->setValue(m_TFAsymmMode, false);
+	  // will update when user clicks elsewhere
+	  m_boolManager->setValue(m_TFAsymmMode, false);
+    QMessageBox::warning(this, "Muon Analysis", "No fitting function provided. TF Asymmetry mode requires a fitting function to be added before enabling. Please add a fitting function and enable TF Asymmetry Mode again.");
   }
 }
 std::string MuonFitPropertyBrowser::TFExtension() const {