no message

lib/config/config.dart

@@ -7,9 +7,9 @@ const ONLY_DATE = "[0-9/]";
 const BASE_URL_LIVE_CARE = 'https://livecare.hmg.com/';
 const DOCTOR_ROTATION = 'https://doctorrota.hmg.com/';
 // const BASE_URL_LIVE_CARE = 'https://livecareuat.hmg.com/';
-// const BASE_URL = 'https://hmgwebservices.com/';
+const BASE_URL = 'https://hmgwebservices.com/';
 
-const BASE_URL = 'https://uat.hmgwebservices.com/';
+// const BASE_URL = 'https://uat.hmgwebservices.com/';
 
 // const BASE_URL = 'https://webservices.hmg.com/';
 

lib/screens/pharmacy_intervention/viewmodel/pharmacy_intervention_service.dart

@@ -78,7 +78,7 @@ class PharmacyInterventionService extends BaseService {
     }, onFailure: (String error, int statusCode) {
       hasError = true;
       DrAppToastMsg.showErrorToast(error);
-      super.error = super.error! + "\n" + error;
+      super.error = super.error ?? "" + "\n" + error;
 
     }, body: {});
   return success;