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title: Commerce Cloud B2C Shop Connector 2.1 - Troubleshoot
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locale: en-us
portal_url: https://docs.salesforce.com/mulesoft/current/en-us/commerce-cloud-shop-api-connector/latest/shop-api-connector-troubleshoot.md
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release: "2.1"
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product: Salesforce Commerce Cloud B2C Shop API Connector
version: 2.1
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# Commerce Cloud B2C Shop Connector 2.1 - Troubleshoot

> For the full documentation index, see: https://docs.mulesoft.com/llms.txt

There are a few scenarios when the Commerce Cloud B2C Shop Connector might return 4XX errors.

**400 Bad Request**

Commerce Cloud B2C Shop Connector might return a `400 Bad Request` error response if the URI
parameters, such as Organization Id, Site Id, and Version parameters are not passed with the proper
values, for example:

- The parameters are passed with the wrong values.

- The parameters are passed with an extra space.

## Solution

Correct and pass the proper values.

**401 Unauthorized**

Commerce Cloud B2C Shop Connector might return a `401 Unauthorized` error response in the following
cases:

- The Client Id used in the configuration is incorrect.

- The Client Secret used in the configuration is incorrect.

## Solutions

- Correct and pass the proper values for the Client ID and Client Secret.

- If the Client Id and Client Secret are both correct and you are still getting the error, contact
  the Commerce Cloud team.

**403 Forbidden**

Commerce Cloud B2C Shop Connector might return a `403 Forbidden` error response if the Scopes used
in the configuration are incorrect.

## Solution

- Correct and pass the proper values for the Scopes.

**405 Method Not Allowed**

Commerce Cloud B2C Shop Connector method returns a `405 Method Not Allowed` error when a resource
that previously supported an HTTP POST got removed and had its HTTP GET method deprecated because of
business decisions.

## Solution

- Contact the Commerce Cloud team.

**415 Unsupported Media Type**

Commerce Cloud B2C Shop Connector might return a `415 unsupported media type` error response in
these cases:

- The body type the user is passing to the connector `Content` parameter does not match the required
  input type.

- Expression mode is enabled and the output type of the body is not defined as `application/json`.

## Solution

- Use the correct type for the body.

- Enable Expression mode and define the output type of the body as `application/json`.

## See Also

- [Introduction to Anypoint Connectors](https://docs.mulesoft.com/connectors/introduction/introduction-to-anypoint-connectors)

- [Salesforce Help](https://help.salesforce.com)

- [Known Issues](https://help.salesforce.com/s/issues)