diff --git a/package.json b/package.json
index fe2e023..63f6122 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "api-explorer",
-  "version": "1.0.13",
+  "version": "1.0.14",
   "private": true,
   "scripts": {
     "dev": "vite & ts-node server/app.ts",
diff --git a/src/components/Preview.vue b/src/components/Preview.vue
index 1e1e62d..f18cb16 100644
--- a/src/components/Preview.vue
+++ b/src/components/Preview.vue
@@ -126,7 +126,9 @@ const submit = async (form: FormInstance, fn: () => void) => {
   fn(form).then(() => {})
 }
 const highlightCode = (json) => {
-  if (json) {
+  if (json.error) {
+    successResponseBody.value = json.error.message
+  } else if (json) {
     successResponseBody.value = hljs.lineNumbersValue(
       hljs.highlightAuto(JSON.stringify(json, null, 4), ['JSON']).value
     )