How To Fix ES021 - No process chain exists for this function

SAP Error Message - Details

• Message type: E = Error

• Message class: ES - ABAP Workbench: Repository Information System

• Message number: 021

• Message text: No process chain exists for this function

What causes this issue?

You attempted to display an event-driven process chain for a function,
but no such chain is assigned to this function.

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?

Choose another function which has a process chain.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ES021 - No process chain exists for this function ?

  The SAP error message ES021 ("No process chain exists for this function") typically occurs when you are trying to execute a function that requires a process chain, but the system cannot find an associated process chain for that function. This can happen in various contexts, such as when working with data loading, data extraction, or other background processing tasks in SAP BW (Business Warehouse) or SAP BI (Business Intelligence).
  Causes:
  
  Missing Process Chain: The most common cause is that the process chain that is supposed to be linked to the function does not exist or has been deleted.
  Incorrect Configuration: The function may not be correctly configured to point to an existing process chain.
  Authorization Issues: The user executing the function may not have the necessary authorizations to access the process chain.
  Transport Issues: If the process chain was transported from one system to another, it may not have been transported correctly or may not exist in the target system.
  
  Solutions:
  
  
  Check for Existing Process Chains:
  
  Go to the transaction code RSPC (Process Chain Maintenance) and check if the required process chain exists.
  If it does not exist, you may need to create a new process chain or restore it from a backup.
  
  
  
  Create or Modify Process Chain:
  
  If the process chain is missing, you can create a new one that includes the necessary steps for the function you are trying to execute.
  Ensure that the process chain is activated after creation.
  
  
  
  Review Configuration:
  
  Check the configuration of the function that is generating the error to ensure it is correctly linked to the appropriate process chain.
  Make any necessary adjustments to the configuration.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to execute the process chain. You may need to consult with your SAP security team to verify and adjust authorizations.
  
  
  
  Transport Issues:
  
  If the process chain was supposed to be transported, verify that the transport request was completed successfully and that the process chain exists in the target system.
  If it is missing, you may need to re-transport it.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  RSPC: Process Chain Maintenance
  RSPC_ADMIN: Process Chain Administration
  RSA1: Data Warehousing Workbench (for BW-related tasks)
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on process chains and their configuration.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  
  
  By following these steps, you should be able to identify the cause of the ES021 error and implement a solution to resolve it.