How To Fix DHCDC_RT021 - Object &1 (&2) does not have any key fields

DHCDC_RT021 - Overview

• Message type: E = Error

• Message class: DHCDC_RT - Messages for Runtime Object of CDC ABAP Agent

• Message number: 021

• Message text: Object &1 (&2) does not have any key fields

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DHCDC_RT021 - Object &1 (&2) does not have any key fields ?

  The SAP error message DHCDC_RT021 indicates that the specified object (in this case, an object identified by &1 and &2) does not have any key fields defined. This can occur in various contexts, such as when working with Data Warehousing, Data Modeling, or when using the Data Hub.
  
  Cause:
  
  Missing Key Fields: The object you are trying to work with (like a DataSource, InfoObject, or similar) does not have any key fields defined. Key fields are essential for uniquely identifying records in a database table or data structure.
  Incorrect Configuration: The object may not have been configured correctly, leading to the absence of key fields.
  Data Model Issues: If the object is part of a data model, it may not have been properly set up to include key fields.
  
  
  Solution:
  
  
  Define Key Fields: 
  
  Go to the object definition in the SAP system.
  Check the configuration settings and ensure that key fields are defined. This typically involves specifying