How To Fix WFD_BL_MSG021 - The delta worker ID does not exist.

SAP Error Message - Details

• Message type: E = Error

• Message class: WFD_BL_MSG - Message Class for Workforce Assignment and Details

• Message number: 021

• Message text: The delta worker ID does not exist.

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 WFD_BL_MSG021 - The delta worker ID does not exist. ?

  SAP Error Message:
  
  WFD_BL_MSG021 The delta worker ID does not exist.
  
  Cause:
  This error typically occurs in SAP Workflow or Business Workflow scenarios involving delta processing or delta ID handling. The message indicates that the system is trying to reference a delta worker ID that is not found or does not exist in the current context or database.
  Common causes include:
  
  The delta worker ID being referenced has not been created or initialized.
  The delta ID has been deleted or is missing due to inconsistent data.
  Incorrect or incomplete configuration in the workflow or delta processing setup.
  A mismatch between the expected delta worker ID and the actual data in the system.
  Issues during transport or system copy where delta IDs were not properly migrated.
  
  
  Solution:
  To resolve the error, consider the following steps:
  
  
  Verify Delta Worker ID Existence:
  
  Check if the delta worker ID exists in the relevant tables or configuration.
  Use transaction codes or database queries to confirm the presence of the delta worker ID.
  
  
  
  Recreate or Initialize Delta Worker ID:
  
  If missing, recreate or initialize the delta worker ID as per your workflow or delta processing setup.
  This might involve re-running initialization programs or reconfiguring the delta process.
  
  
  
  Check Workflow Configuration:
  
  Review the workflow or delta processing configuration to ensure that the correct delta worker IDs are assigned.
  Validate any custom code or enhancements that might manipulate delta IDs.
  
  
  
  Transport and System Copy Checks:
  
  If the error appeared after a transport or system copy, verify that all relevant delta data and configurations were properly transported.
  Re-import or adjust transports if necessary.
  
  
  
  SAP Notes and Support:
  
  Search for SAP Notes related to WFD_BL_MSG021 for any patches or known issues.
  If the problem persists, consider raising a support ticket with SAP, providing detailed logs and system information.
  
  
  
  
  Related Information:
  
  
  Workflow Delta Processing:
  
  Delta processing in workflows is used to handle changes incrementally. The delta worker ID is a key identifier in this process.
  
  
  Tables and Transactions:
  
  Depending on the module, delta worker IDs might be stored in specific tables related to workflow or data replication.
  
  
  SAP Notes:
  
  Check the SAP Support Portal for notes referencing WFD_BL_MSG021 or related workflow delta errors.
  
  
  Common Transactions:  
  
  SWDD (Workflow Builder)  
  SWI1 (Workflow Log)  
  SWIA (Work Item Administration)  
  Custom transactions or reports related to delta processing.
  
  
  
  
  If you provide more context (e.g., module, transaction, scenario), I can help tailor the solution further.