How To Fix EH404 - Specify the key for the reference object

SAP Error Message - Details

• Message type: E = Error

• Message class: EH - Messasge class for disconnection and reconnection

• Message number: 404

• Message text: Specify the key for the reference object

What causes this issue?

When you specify the reference object for a disconnection document,
specify the type of reference object via the radio button and enter the
key in the appropriate field.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Specify the reference object as described above.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EH404 - Specify the key for the reference object ?

  The SAP error message EH404, which states "Specify the key for the reference object," typically occurs in the context of handling reference objects in SAP, particularly in modules related to Environmental Health and Safety (EHS) or other areas where reference data is crucial.
  Cause:
  The error usually arises when a user attempts to create or modify a record that requires a reference object, but the necessary key or identifier for that reference object has not been provided. This could happen in various scenarios, such as:
  
  Missing Key Field: The key field that identifies the reference object is not filled in the form or transaction.
  Incorrect Configuration: The system may not be properly configured to recognize the reference object.
  Data Entry Error: The user may have overlooked entering the required key or may have entered it incorrectly.
  
  Solution:
  To resolve the EH404 error, you can follow these steps:
  
  
  Check Required Fields: Ensure that all mandatory fields, especially those related to the reference object, are filled out correctly. Look for any fields that are marked as required in the user interface.
  
  
  Verify Reference Object: Make sure that the reference object you are trying to use actually exists in the system. You may need to check the relevant tables or transaction codes to confirm this.
  
  
  Consult Documentation: Review the SAP documentation or help files related to the specific transaction or module you are working with. This can provide insights into what keys are required for the reference object.
  
  
  Configuration Check: If you have access to configuration settings, check if the reference object is properly configured in the system. This may involve looking at customizing settings in the relevant module.
  
  
  User Authorization: Ensure that you have the necessary authorizations to access and modify the reference object. Sometimes, lack of permissions can lead to errors.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more specific guidance based on your system's configuration.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the transaction codes related to the module you are working in, as they can help you navigate to the correct screens for data entry or configuration.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide patches and updates.
  Training and Documentation: If you are new to SAP or the specific module, consider undergoing training or reviewing user manuals to better understand how to work with reference objects.
  
  By following these steps, you should be able to identify the cause of the EH404 error and implement a solution to resolve it.