How To Fix /IWBEP/SBDSP_DM018 - In Update operations only Input mapping direction is allowed

/IWBEP/SBDSP_DM018 - Overview

• Message type: E = Error

• Message class: /IWBEP/SBDSP_DM -

• Message number: 018

• Message text: In Update operations only Input mapping direction is allowed

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.

/IWBEP/SBDSP_DM018 - Details

• The SAP error message /IWBEP/SBDSP_DM018 typically occurs in the context of OData services when there is an issue with the mapping direction of the input parameters during update operations. This error indicates that the system expects only input mapping direction for the parameters involved in the update operation, but it has encountered a different configuration.
  
  Cause:
  
  Incorrect Mapping Configuration: The error usually arises when the mapping for the input parameters in the OData service is not set correctly. For update operations, the parameters should be defined with the input mapping direction.
  Service Definition Issues: If the OData service is not properly defined or if there are inconsistencies in the service metadata, it can lead to this error.
  Incompatible Data Types: If the data types of the input parameters do not match the expected types in the backend, it can also trigger this error.
  
  
  Solution:
  
  
  Check Mapping Configuration:
  
  Go to the OData service definition in the SAP Gateway