How To Fix ISU_UMC_ODATA001 - Key attribute &2 is not provided to get entity &1

SAP Error Message - Details

• Message type: E = Error

• Message class: ISU_UMC_ODATA - Message class for the Multichannel oData services

• Message number: 001

• Message text: Key attribute &2 is not provided to get entity &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.

Smart SAP Assistant

• What is the cause and solution for SAP error message ISU_UMC_ODATA001 - Key attribute &2 is not provided to get entity &1 ?

  The SAP error message ISU_UMC_ODATA001 indicates that a key attribute required to retrieve a specific entity in an OData service is missing. This typically occurs when a request is made to an OData service without providing all the necessary key attributes that uniquely identify the entity being requested.
  Cause:
  The error is caused by one or more of the following reasons:
  
  Missing Key Attributes: The request to the OData service does not include all the required key attributes for the entity specified.
  Incorrect URL: The URL used to access the OData service may be incorrectly formed, leading to missing key attributes.
  Data Model Changes: Changes in the underlying data model may have introduced new key attributes that are not being provided in the request.
  Authorization Issues: Sometimes, the user may not have the necessary permissions to access certain entities, leading to incomplete data being returned.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check the OData Service Documentation: Review the documentation for the OData service to identify the required key attributes for the entity you are trying to access.
  
  
  Modify the Request: Ensure that your request includes all the necessary key attributes. For example, if you are trying to access an entity with a key attribute ID, make sure to include it in the request URL:
  /EntitySet(ID='value')
  
  
  Validate the URL: Double-check the URL you are using to ensure it is correctly formatted and includes all required parameters.
  
  
  Test with a Known Good Request: If possible, test the OData service with a request that is known to work. This can help you identify if the issue is with your specific request or with the service itself.
  
  
  Check for Changes in the Data Model: If there have been recent changes to the data model, ensure that your application is updated to reflect these changes.
  
  
  Review User Permissions: Ensure that the user making the request has the necessary permissions to access the entity.
  
  
  Related Information:
  
  OData Protocol: Understanding the OData protocol can help in constructing valid requests and understanding how entities and their keys are structured.
  SAP Notes and Documentation: Check SAP Notes for any known issues or updates related to the OData service you are using.
  Debugging Tools: Use tools like SAP Gateway Client (transaction /IWFND/GW_CLIENT) to test OData services and see the exact requests and responses.
  
  By following these steps, you should be able to identify and resolve the issue causing the ISU_UMC_ODATA001 error message.