How To Fix /IWFND/CM_MGW_RT164 - Name for complex type '&1' was not provided

/IWFND/CM_MGW_RT164 - Overview

• Message type: E = Error

• Message class: /IWFND/CM_MGW_RT -

• Message number: 164

• Message text: Name for complex type '&1' was not provided

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_MGW_RT164 - Details

• The SAP error message /IWFND/CM_MGW_RT164 Name for complex type '&1' was not provided typically occurs in the context of SAP Gateway and OData services. This error indicates that a complex type definition is missing a name, which is required for the OData service to function correctly.
  
  Cause:
  
  Missing Name in Complex Type Definition: The error usually arises when a complex type is defined in the OData service but does not have a name assigned to it. This can happen during the creation or modification of the OData service in the SAP Gateway Service Builder (transaction code SEGW).
  Incorrect Metadata: If the metadata for the OData service is not correctly defined or is incomplete, it can lead to this error.
  Model Issues: There may be issues with the data model or the way entities and complex types are structured in the service.
  
  
  Solution:
  
  
  Check Complex Type Definitions:
  
  Go to the SAP Gateway Service Builder (transaction code SEGW).
  Open the