How To Fix WS_CWB025 - No messages occurred (internal error)

SAP Error Message - Details

• Message type: E = Error

• Message class: WS_CWB - Complaints Workbench

• Message number: 025

• Message text: No messages occurred (internal error)

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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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WS_CWB025 - No messages occurred (internal error) ?

  SAP Error Message:
  
  WS_CWB025 No messages occurred (internal error)
  
  Cause
  The error message WS_CWB025 No messages occurred (internal error) typically occurs in the context of SAP Workflow or Business Workplace (SBWP) when the system expects to find workflow messages or work items but none are found. This can happen due to:
  
  Inconsistencies or corruption in the workflow runtime data.  
  Issues with the workflow container or tasks not being generated properly.  
  Problems in the communication between the workflow engine and the message inbox.  
  Missing or deleted workflow tasks or messages that the system expects to process.  
  Internal errors in the SAP kernel or workflow runtime environment.
  
  In short, the system tries to retrieve or process workflow messages but finds none, which is unexpected and triggers this internal error.
  
  Solution
  To resolve the WS_CWB025 error, consider the following steps:
  
  
  Check Workflow Runtime Logs:
  
  Use transaction SWI1 (Workflow Log) or SWI2_FREQ (Work Item Selection) to check if there are any active or error work items for the user or workflow in question.
  
  
  Verify Workflow Tasks:
  
  Ensure that the workflow tasks are correctly created and assigned. If tasks are missing or deleted, investigate why.
  
  
  Reset or Rebuild Workflow Runtime Data:
  
  Sometimes, inconsistencies in workflow runtime tables cause this error. Running workflow consistency checks and repairs can help:  
  
  Use transaction SWU3 (Workflow Customizing) to check and activate workflow settings.  
  Use report RWSKREPAIR to repair workflow runtime inconsistencies.
  
  
  
  Check User Inbox and Authorizations:
  
  Verify that the user has the correct authorizations to view workflow messages and that the inbox is not corrupted.
  
  
  Kernel and Patch Level:
  
  Ensure that your SAP system kernel and workflow components are up to date. Sometimes, internal errors are fixed in patches or support packages.
  
  
  SAP Notes and Support:
  
  Search for relevant SAP Notes using the message number WS_CWB025 or keywords like "No messages occurred internal error". For example, SAP Note 1234567 (example) might address a known issue.
  
  
  Restart Workflow Runtime:
  
  In some cases, restarting the workflow runtime environment or the SAP system can clear transient internal errors.
  
  
  
  Related Information
  
  
  Transaction Codes:  
  
  SBWP - Business Workplace (Inbox)  
  SWI1 - Workflow Log  
  SWI2_FREQ - Work Item Selection  
  SWU3 - Workflow Customizing and Checks
  
  
  
  Tables:  
  
  SWWWIHEAD - Workflow Work Item Header  
  SWWWICTRL - Workflow Work Item Control  
  SWWCONT - Workflow Container
  
  
  
  SAP Notes:
  
  Always check the SAP Support Portal for notes related to WS_CWB025 or workflow internal errors.
  
  
  Common Scenarios:  
  
  Workflow tasks deleted manually or by cleanup jobs.  
  Workflow runtime inconsistencies after system upgrades or transports.  
  Authorization issues preventing message retrieval.
  
  
  
  
  If the problem persists after these steps, consider raising a support ticket with SAP, providing workflow logs and system details for further analysis.