1 files changed, 9 insertions, 4 deletions
diff --git a/packages/core/src/utils/errors.ts b/packages/core/src/utils/errors.ts
index 4787c439..a57186b2 100644
--- a/packages/core/src/utils/errors.ts
+++ b/packages/core/src/utils/errors.ts
@@ -4,7 +4,11 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import { GaxiosError } from 'gaxios';
+interface GaxiosError {
+  response?: {
+    data?: unknown;
+  };
+}
 
 export function isNodeError(error: unknown): error is NodeJS.ErrnoException {
   return error instanceof Error && 'code' in error;
@@ -33,8 +37,9 @@ interface ResponseData {
 }
 
 export function toFriendlyError(error: unknown): unknown {
-  if (error instanceof GaxiosError) {
-    const data = parseResponseData(error);
+  if (error && typeof error === 'object' && 'response' in error) {
+    const gaxiosError = error as GaxiosError;
+    const data = parseResponseData(gaxiosError);
     if (data.error && data.error.message && data.error.code) {
       switch (data.error.code) {
         case 400:
@@ -58,5 +63,5 @@ function parseResponseData(error: GaxiosError): ResponseData {
   if (typeof error.response?.data === 'string') {
     return JSON.parse(error.response?.data) as ResponseData;
   }
-  return typeof error.response?.data as ResponseData;
+  return error.response?.data as ResponseData;
 }