How To Fix /IWFND/MED_CHECK018 - No reference for source node '&1'

/IWFND/MED_CHECK018 - Overview

• Message type: E = Error

• Message class: /IWFND/MED_CHECK -

• Message number: 018

• Message text: No reference for source node '&1'

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/MED_CHECK018 - Details

• The SAP error message /IWFND/MED_CHECK018 No reference for source node '&1' typically occurs in the context of SAP Gateway and OData services. This error indicates that there is a problem with the mapping or configuration of the source node in your OData service. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Missing Reference: The error suggests that the OData service is trying to access a source node that does not have a defined reference in the data model. This could be due to a misconfiguration in the service definition or the underlying data model.
  Incorrect Mapping: The source node may not be correctly mapped to the corresponding entity or structure in the backend system.
  Service Activation Issues: The OData service may not be properly activated or there may be issues with the service registration.
  Data Model Changes: If there have been recent changes to the data model (like adding or removing