How To Fix WZ702 - Unknown error

SAP Error Message - Details

• Message type: E = Error

• Message class: WZ - Workflow: Model objects

• Message number: 702

• Message text: Unknown 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 WZ702 - Unknown error ?

  SAP Error Message: WZ702 - Unknown error
  
  1. Cause
  The error message WZ702 - Unknown error is a generic or catch-all error in SAP, often related to workflow or background processing issues. It typically indicates that the system encountered an unexpected condition or exception that it could not classify under a more specific error message.
  Common causes include:
  
  Workflow runtime errors: Problems in workflow execution, such as missing or incorrect workflow container elements.
  Authorization issues: The user or process lacks necessary permissions.
  System inconsistencies: Corrupted or incomplete data in workflow tables or related objects.
  Interface or communication problems: Issues with RFC connections or external system calls.
  Custom code errors: If custom enhancements or user exits are involved, unhandled exceptions may trigger this error.
  Background job failures: Errors during background processing that are not explicitly handled.
  
  Because the message is generic, the root cause often requires deeper investigation.
  
  2. Solution
  To resolve WZ702 - Unknown error, follow these steps:
  a) Check the Workflow Log
  
  Use transaction SWI1 or SWI2_DIAG to analyze the workflow log.
  Look for detailed error messages or steps where the workflow failed.
  Identify if any container elements are missing or if any tasks failed.
  
  b) Analyze Short Dumps
  
  Check for ABAP short dumps in transaction ST22 around the time the error occurred.
  Look for exceptions or runtime errors that might explain the failure.
  
  c) Verify Authorizations
  
  Ensure the user or background job has the necessary authorizations.
  Use transaction SU53 after the error occurs to check authorization failures.
  
  d) Check RFC Connections
  
  If the workflow involves remote function calls, verify RFC destinations in SM59.
  Test connections and ensure they are active.
  
  e) Review Custom Code
  
  If custom workflow steps or user exits are involved, debug or review the code for unhandled exceptions.
  Add proper exception handling if missing.
  
  f) Reprocess or Restart Workflow
  
  Sometimes restarting the workflow or reprocessing the failed step can resolve transient issues.
  Use transaction SWPR or SWI2_FREQ to restart or reprocess workflows.
  
  g) SAP Notes and Support
  
  Search SAP Support Portal for notes related to WZ702.
  Apply any relevant patches or corrections.
  
  
  3. Related Information
  
  
  Transaction Codes:
  
  SWI1 – Workflow log analysis
  SWI2_DIAG – Workflow diagnosis
  ST22 – ABAP short dumps
  SM59 – RFC destination maintenance
  SU53 – Authorization check
  SWPR – Restart workflow
  
  
  
  SAP Notes:
  
  Check for SAP Notes mentioning WZ702 or workflow errors.
  Example: SAP Note 123456 (hypothetical) might address specific causes.
  
  
  
  Workflow Concepts:
  
  Understanding workflow container elements, tasks, and event linkage is crucial.
  Errors often arise from missing or incorrect container data.
  
  
  
  Debugging:
  
  Use the ABAP debugger to trace workflow runtime errors.
  Set breakpoints in workflow-related function modules or methods.
  
  
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Generic workflow or background processing error; unexpected runtime exception.
  
  
  Solution
  Analyze workflow logs, check authorizations, review short dumps, verify RFCs, debug code.
  
  
  Related
  Transactions SWI1, ST22, SM59, SU53; SAP Notes; workflow container and task validation.
  
  
  
  
  If you provide more context (e.g., when the error occurs, workflow type, logs), I can help with a more targeted diagnosis.