diff --git a/src-ui/logics/_useBackendErrorHandling.js b/src-ui/logics/_useBackendErrorHandling.js
index 1145cd80..5cca840f 100644
--- a/src-ui/logics/_useBackendErrorHandling.js
+++ b/src-ui/logics/_useBackendErrorHandling.js
@@ -15,9 +15,7 @@ import {
 
     useDeepLAuthKey,
 
-
     useOscIpAddress,
-    useOscPort,
 } from "@logics_configs";
 import { ui_configs } from "../ui_configs";
 
@@ -35,9 +33,7 @@ export const _useBackendErrorHandling = () => {
 
     const { updateDeepLAuthKey, saveErrorDeepLAuthKey } = useDeepLAuthKey();
 
-
-    const { saveErrorOscIpAddress } = useOscIpAddress();
-    const { saveErrorOscPort } = useOscPort();
+    const { updateOscIpAddress } = useOscIpAddress();
 
     const errorHandling_Backend = ({message, data, endpoint, _result}) => {
         switch (message) {
@@ -55,9 +51,9 @@ export const _useBackendErrorHandling = () => {
                 break;
             case "Speaker energy threshold value is out of range":
                 showNotification_Error(t("common_error.threshold_invalid_value",
-                { min: ui_configs.speaker_threshold_min, max: ui_configs.speaker_threshold_max },
-            ));
-            break;
+                    { min: ui_configs.speaker_threshold_min, max: ui_configs.speaker_threshold_max },
+                ));
+                break;
 
             case "CTranslate2 weight download error":
                 showNotification_Error(t("common_error.failed_download_weight_ctranslate2"));
@@ -118,12 +114,21 @@ export const _useBackendErrorHandling = () => {
                 showNotification_Error(t("common_error.invalid_value_speaker_max_phrase"));
                 break;
 
+
+            // Advanced Settings, error messages are set by Backend (EN only)
+            case "Invalid IP address":
+                updateOscIpAddress(data);
+                showNotification_Error(message);
+                break;
+
+            case "Cannot set IP address":
+                updateOscIpAddress(data);
+                showNotification_Error(message);
+                break;
+
             default:
                 // determine by endpoint, not message.
                 if (endpoint === "/set/data/deepl_auth_key") saveErrorDeepLAuthKey({message, data, endpoint, _result});
-                if (endpoint === "/set/data/osc_ip_address") saveErrorOscIpAddress({message, data, endpoint, _result});
-                if (endpoint === "/set/data/osc_port") saveErrorOscPort({message, data, endpoint, _result});
-
 
                 break;
         }
diff --git a/src-ui/logics/configs/advanced_settings/useOscIpAddress.js b/src-ui/logics/configs/advanced_settings/useOscIpAddress.js
index 354e2751..702a6d98 100644
--- a/src-ui/logics/configs/advanced_settings/useOscIpAddress.js
+++ b/src-ui/logics/configs/advanced_settings/useOscIpAddress.js
@@ -1,9 +1,7 @@
 import { useStore_OscIpAddress } from "@store";
 import { useStdoutToPython } from "@logics/useStdoutToPython";
-import { useNotificationStatus } from "@logics_common";
 
 export const useOscIpAddress = () => {
-    const { showNotification_Error } = useNotificationStatus();
     const { asyncStdoutToPython } = useStdoutToPython();
     const { currentOscIpAddress, updateOscIpAddress, pendingOscIpAddress } = useStore_OscIpAddress();
 
@@ -17,17 +15,10 @@ export const useOscIpAddress = () => {
         asyncStdoutToPython("/set/data/osc_ip_address", osc_ip_address);
     };
 
-    const saveErrorOscIpAddress = ({data, message, _result}) => {
-        updateOscIpAddress(d => d.data);
-        showNotification_Error(_result);
-    };
-
     return {
         currentOscIpAddress,
         getOscIpAddress,
         updateOscIpAddress,
         setOscIpAddress,
-
-        saveErrorOscIpAddress,
     };
 };
\ No newline at end of file
diff --git a/src-ui/logics/useReceiveRoutes.js b/src-ui/logics/useReceiveRoutes.js
index 383f1faf..8df5dc46 100644
--- a/src-ui/logics/useReceiveRoutes.js
+++ b/src-ui/logics/useReceiveRoutes.js
@@ -525,7 +525,6 @@ export const useReceiveRoutes = () => {
         "/set/data/speaker_max_phrases": errorHandling_Backend,
 
         "/set/data/osc_ip_address": errorHandling_Backend,
-        "/set/data/osc_port": errorHandling_Backend,
     };
 
 
@@ -558,7 +557,6 @@ export const useReceiveRoutes = () => {
                 break;
 
             case 400:
-            case 500:
                 const error_route = error_status_routes[parsed_data.endpoint];
                 if (error_route) {
                     error_route({
@@ -571,6 +569,10 @@ export const useReceiveRoutes = () => {
                     handleInvalidEndpoint(parsed_data);
                 }
                 break;
+            case 500:
+                showNotification_Error(
+                    `An error occurred. Please restart VRCT or contact the developers. ${JSON.stringify(parsed_data.result)}`, { hide_duration: null });
+                break;
 
             case 348:
                 // console.log(`from backend: %c ${JSON.stringify(parsed_data)}`, style_348);