How To Fix WRF_CHAR_VAL102 - Error when locking characteristic values during update

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_CHAR_VAL - Messages for Package WRF_CHARACTERISTIC_VALUE_GRP

• Message number: 102

• Message text: Error when locking characteristic values during update

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_CHAR_VAL102 - Error when locking characteristic values during update ?

  Certainly! Here's a detailed explanation regarding the SAP error message WRF_CHAR_VAL102:
  
  SAP Error Message: WRF_CHAR_VAL102
  Text: Error when locking characteristic values during update
  
  Cause
  This error typically occurs during the update or change of classification data, specifically when the system tries to lock characteristic values but fails. The locking mechanism is used to ensure data consistency and prevent simultaneous conflicting updates.
  Common causes include:
  
  Lock contention: Another user or process currently holds a lock on the characteristic values, causing your update to fail.
  Inconsistent or stale lock entries: Sometimes, locks are not properly released due to system crashes or incomplete transactions, leaving stale locks.
  Authorization issues: The user may not have sufficient authorization to lock or update the characteristic values.
  Database or update task issues: Problems in the update task or database layer can cause locking failures.
  Custom code or enhancements: If there are custom developments or user exits involved in classification updates, they might interfere with locking.
  
  
  Solution
  To resolve the error, consider the following steps:
  
  
  Check for existing locks:
  
  Use transaction SM12 to check for locks on the relevant tables or objects related to characteristic values.
  If you find stale or unnecessary locks, and you are sure no other user/process is working on them, you can delete these locks.
  
  
  
  Retry the update:
  
  After clearing locks, try to perform the update again.
  
  
  
  Check authorizations:
  
  Verify that the user performing the update has the necessary authorizations for classification and characteristic maintenance.
  
  
  
  Review update tasks:
  
  Check SM13 (Update Requests) for any failed update tasks related to classification or characteristics.
  If there are failed updates, analyze and reprocess or correct them.
  
  
  
  Check for system inconsistencies:
  
  Run consistency checks for classification data if available.
  Sometimes, running report RCLSTCHK (Classification consistency check) can help identify issues.
  
  
  
  Debug or analyze custom code:
  
  If custom enhancements or user exits are involved, debug or review them to ensure they do not interfere with locking.
  
  
  
  SAP Notes and Support:
  
  Search for relevant SAP Notes for this error message or related issues.
  If the problem persists, consider raising a support ticket with SAP, providing detailed logs and system information.
  
  
  
  
  Related Information
  
  
  Tables involved:  
  
  KLAH (Class header)  
  KSSK (Characteristic values)  
  KSSK_H (Characteristic values history)  
  KSSK_LOCK (Lock table for characteristic values, if applicable)
  
  
  
  Transactions:  
  
  CL02 - Change Characteristic  
  CL30N - Classification Data Browser  
  SM12 - Lock Entries  
  SM13 - Update Requests  
  SE38 - To run reports like RCLSTCHK
  
  
  
  Related SAP Notes:  
  
  Check SAP Notes related to WRF_CHAR_VAL102 or classification locking issues.  
  Example: SAP Note 1234567 (hypothetical) might address locking problems in classification.
  
  
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Lock contention or failure when locking characteristic values during update.
  
  
  Solution
  Check and clear locks (SM12), verify authorizations, analyze update tasks (SM13), run consistency checks, debug custom code, apply SAP Notes.
  
  
  Related
  Transactions CL02, CL30N, SM12, SM13; Tables KLAH, KSSK; Reports like RCLSTCHK.
  
  
  
  
  If you provide more context (e.g., when exactly the error occurs, system version, or logs), I can help with more specific guidance.