How To Fix /IWBEP/CM_V4_RUNTIME008 - Key property '&1' missing for navigation

/IWBEP/CM_V4_RUNTIME008 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4_RUNTIME -

• Message number: 008

• Message text: Key property '&1' missing for navigation

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_RUNTIME008 - Key property '&1' missing for navigation ?

  The SAP error message /IWBEP/CM_V4_RUNTIME008 indicates that there is a missing key property for navigation in an OData service. This typically occurs when the OData service is trying to navigate from one entity to another, but it cannot find the required key property that uniquely identifies the target entity.
  
  Cause:
  
  Missing Key Property: The key property that is required for navigation is not defined in the metadata of the OData service.
  Incorrect Entity Relationship: The relationship between the entities may not be correctly defined, leading to the inability to navigate.
  Service Definition Issues: There may be issues in the service definition or the way the entities are modeled in the backend.
  Data Model Changes: If there have been recent changes to the data model (like adding or removing fields), the OData service may not be updated accordingly.
  
  
  Solution:
  
  
  Check Metadata: Review the metadata of the OData service to ensure that the key properties for the entities involved