How To Fix /IWFND/CM_MGW066 - Loading the metadata for service '&1' failed. Check the error log.

/IWFND/CM_MGW066 - Overview

• Message type: E = Error

• Message class: /IWFND/CM_MGW -

• Message number: 066

• Message text: Loading the metadata for service '&1' failed. Check the error log.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

/IWFND/CM_MGW066 - Details

• The SAP error message /IWFND/CM_MGW066 Loading the metadata for service '&1' failed. Check the error log. typically occurs in the context of SAP Gateway services, particularly when there is an issue loading the metadata for a specific OData service. This can happen for various reasons, and here are some common causes, solutions, and related information:
  Causes:
  
  Service Activation Issues: The OData service may not be properly activated in the SAP Gateway.
  Authorization Problems: The user may not have the necessary authorizations to access the service or its metadata.
  Model Issues: There may be issues with the underlying data model or the service definition.
  Transport Issues: If the service was recently transported from one system to another, there may be inconsistencies.
  Backend Errors: Errors in the backend system (like ABAP errors) can prevent the metadata from being loaded.
  Network Issues: Connectivity issues between the SAP Gateway and the backend system can also lead to this error.
  
  Solutions:
  
  
  Check Service Activation:
  
  Go