diff --git a/packages/sdk/src/endpoints/Endpoint.ts b/packages/sdk/src/endpoints/Endpoint.ts
index d639d49f..4e5876bb 100644
--- a/packages/sdk/src/endpoints/Endpoint.ts
+++ b/packages/sdk/src/endpoints/Endpoint.ts
@@ -47,7 +47,11 @@ export abstract class Endpoint {
 
         if (httpResponse.status !== expectedStatus) {
             const errorPayload = httpResponse.data.error;
-
+            if (!errorPayload) {
+                throw new Error(
+                    `The http request to connector route '${httpResponse.request.path}' failed with status '${httpResponse.status}': ${httpResponse.statusText} ${httpResponse.data}`
+                );
+            }
             return ConnectorResponse.error({
                 id: errorPayload.id,
                 docs: errorPayload.docs,
@@ -69,6 +73,12 @@ export abstract class Endpoint {
             // Manually parse data because responseType is "arrayBuffer"
             const errorPayload = JSON.parse(httpResponse.data).error;
 
+            if (!errorPayload) {
+                throw new Error(
+                    `The http request to connector route '${httpResponse.request.path}' failed with status '${httpResponse.status}': ${httpResponse.statusText} ${httpResponse.data}`
+                );
+            }
+
             return ConnectorResponse.error({
                 id: errorPayload.id,
                 docs: errorPayload.docs,
@@ -104,6 +114,12 @@ export abstract class Endpoint {
         if (httpResponse.status !== expectedStatus) {
             const errorPayload = httpResponse.data.error;
 
+            if (!errorPayload) {
+                throw new Error(
+                    `The http request to connector route '${httpResponse.request.path}' failed with status '${httpResponse.status}': ${httpResponse.statusText} ${httpResponse.data}`
+                );
+            }
+
             return ConnectorResponse.error({
                 id: errorPayload.id,
                 docs: errorPayload.docs,