How To Fix WRB020 - Lock error reading data for material &1.

WRB020 - Overview

• Message type: E = Error

• Message class: WRB - Messages for Revaluation at Retail via BAPIs

• Message number: 020

• Message text: Lock error reading data for material &1.

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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Smart SAP Assistant

• What is the cause and solution for SAP error message WRB020 - Lock error reading data for material &1. ?

  The SAP error message:
  WRB020: Lock error reading data for material &1
  
  Meaning / 
  Cause:
  This error occurs when SAP tries to read or update material master data but encounters a lock conflict. Specifically, the system cannot obtain a lock on the material master record because it is already locked by another user or process. This lock prevents simultaneous changes to ensure data consistency and integrity.
  Common causes include:
  
  Another user or background job is currently editing or processing the same material master record.
  A previous transaction did not release the lock properly (e.g., due to a system crash or incomplete transaction).
  Long-running processes or batch jobs holding locks on the material master.
  Deadlocks or lock wait timeouts in the system.
  
  
  Solution / How to resolve:
  
  
  Check who holds the lock:
  
  Use transaction SM12 (Lock Entries) to find locks on the material master.
  Enter the material number or relevant object (e.g., MATERIAL or MARA table) to see if there are active locks.
  
  
  
  Analyze