How To Fix ESH_ENG_CDS_ABAP504 - Missing input (indicate either CDS-entity or ES-connector)

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_ENG_CDS_ABAP - ES-CDS/ABAP

• Message number: 504

• Message text: Missing input (indicate either CDS-entity or ES-connector)

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 ESH_ENG_CDS_ABAP504 - Missing input (indicate either CDS-entity or ES-connector) ?

  The SAP error message ESH_ENG_CDS_ABAP504 indicates that there is a missing input parameter in a CDS (Core Data Services) entity or an ES (Enterprise Services) connector. This error typically arises when the system expects a specific input that has not been provided, which can lead to issues in data retrieval or processing.
  Cause:
  
  
  Missing Input Parameter: The error usually occurs when a required input parameter for a CDS view or an ES connector is not supplied. This could be due to:
  
  Incorrect configuration of the CDS view or ES connector.
  A programming error in the ABAP code that calls the CDS view or ES connector.
  A missing or incorrect selection criteria in the query.
  
  
  
  Incorrect Usage: The CDS entity or ES connector might be incorrectly referenced in the ABAP code, leading to the system not being able to identify the required input.
  
  
  Authorization Issues: Sometimes, the user might not have the necessary authorizations to access the CDS view or ES connector, which can lead to similar error messages.
  
  
  Solution:
  
  
  Check Input Parameters: Ensure that all required input parameters are being passed correctly to the CDS entity or ES connector. Review the documentation for the specific CDS view or ES connector to identify the required parameters.
  
  
  Review ABAP Code: If you are calling the CDS view or ES connector from ABAP code, check the code for any missing or incorrect parameters. Make sure that the parameters are being populated correctly before the call is made.
  
  
  Debugging: Use the ABAP debugger to step through the code and identify where the input is missing. This can help pinpoint the exact location in the code where the issue arises.
  
  
  Check Configuration: If the error is related to a configuration issue, review the settings for the CDS view or ES connector in the SAP system. Ensure that they are set up correctly and that all necessary dependencies are in place.
  
  
  Authorization Check: Verify that the user has the necessary authorizations to access the CDS view or ES connector. You can check this in the user roles and authorizations assigned to the user.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or updates that might address this specific error message. There may be patches or updates that resolve known issues.
  
  
  Related Information:
  
  CDS Views: Core Data Services are a framework for defining semantically rich data models in SAP. They are used extensively in SAP S/4HANA and other SAP applications.
  ES Connectors: Enterprise Services connectors are used to integrate various SAP and non-SAP systems, allowing for data exchange and service consumption.
  SAP Documentation: Refer to the official SAP documentation for detailed information on CDS views, ES connectors, and error handling in ABAP.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.