How To Fix WA157 - Key data of change document object & has errors

SAP Error Message - Details

• Message type: E = Error

• Message class: WA - Messages from Workflow Event Manager

• Message number: 157

• Message text: Key data of change document object & has errors

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WA157 - Key data of change document object & has errors ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WA157 - Key data of change document object & has errors
  
  Meaning / Cause:
  This error occurs when there is an issue with the key data of a change document object during a change document update or creation process. Change documents in SAP are used to log changes to important business objects (like material master, vendor master, etc.). The key data is essential to identify the object instance uniquely.
  The error indicates that the key data provided for the change document object is either incomplete, incorrect, or inconsistent, causing the system to reject the change document entry.
  Common causes include:
  
  Missing or incorrect key fields in the change document object.
  Data inconsistencies or invalid values in the key fields.
  Custom or standard change document objects not properly maintained or configured.
  Programming errors in user exits or BAdIs that handle change document creation.
  Transport or system inconsistencies affecting change document object definitions.
  
  
  Solution / How to Fix:
  
  
  Check the Key Data:
  
  Verify the key fields of the change document object involved.
  Ensure all mandatory key fields are filled with valid data.
  Check the data types and lengths of the key fields.
  
  
  
  Review Change Document Object Configuration:
  
  Use transaction SCDO to display and maintain change document objects.
  Check if the change document object is correctly defined.
  Verify the key fields and their data elements.
  
  
  
  Debug the Change Document Creation:
  
  If the error occurs during a custom program or enhancement, debug the code where the change document is created.
  Check the parameters passed to the function modules like CHANGEDOCUMENT_OPEN, CHANGEDOCUMENT_CLOSE, and CHANGEDOCUMENT_UPDATE.
  
  
  
  Check for User Exits / BAdIs:
  
  Review any user exits or BAdIs that might influence change document creation.
  Ensure they do not modify or clear key data incorrectly.
  
  
  
  Data Consistency Checks:
  
  Run consistency checks on the master data or transactional data related to the change document.
  Fix any inconsistencies found.
  
  
  
  SAP Notes and Support:
  
  Search for relevant SAP Notes using the message number WA157 or related keywords.
  Apply any recommended patches or corrections.
  
  
  
  
  Related Information:
  
  Transaction SCDO: Used to display and maintain change document objects.
  Function Modules:
  
  CHANGEDOCUMENT_OPEN
  CHANGEDOCUMENT_CLOSE
  CHANGEDOCUMENT_UPDATE
  
  
  Change Document Objects: Objects for which changes are logged, e.g., MATERIAL, VENDOR, CUSTOMER.
  Change Document Tables:  
  
  CDHDR (Change document header)  
  CDPOS (Change document items)
  
  
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  WA157 - Key data of change document object & has errors
  
  
  Cause
  Invalid, missing, or inconsistent key data for the change document object
  
  
  Solution
  Verify and correct key data, check change document object configuration, debug code
  
  
  Tools
  Transaction SCDO, debugging, SAP Notes
  
  
  Related Data
  Change document tables CDHDR and CDPOS
  
  
  
  
  If you provide the context in which this error occurs (e.g., during material master change, vendor update, or custom program), I can help you with more specific guidance.