How To Fix WER_UI004 - Operation failed, see message log for details

WER_UI004 - Overview

• Message type: E = Error

• Message class: WER_UI - UI related messages

• Message number: 004

• Message text: Operation failed, see message log for details

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?

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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.

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 WER_UI004 - Operation failed, see message log for details ?

  The SAP error message WER_UI004: Operation failed, see message log for details typically occurs in the context of SAP Workflow or Business Process Management (BPM) when an operation or action within a workflow step cannot be completed successfully.
  
  Cause
  
  Underlying error in the workflow step: The message itself is generic and indicates that a workflow operation failed. The actual cause is usually detailed in the message log or the workflow log.
  Possible reasons include:
  Missing or incorrect input data required for the operation.
  Authorization issues preventing the operation from completing.
  Technical errors such as RFC failures, connection problems, or system errors.
  Errors in custom code or user-exits called during the workflow step.
  Inconsistent or incomplete workflow container data.
  Issues with the task or agent assignment.
  
  
  
  
  Solution
  
  
  Check the Workflow Log:
  
  Go to transaction SWI1 (Workflow Log) or SWI2_FREQ (Workflow Log for a specific workflow).
  Find the instance where the error occurred.
  Look for detailed error messages or exceptions that provide more information about the