How To Fix LAY021 - Deviation record exists for material & with identical key

SAP Error Message - Details

• Message type: E = Error

• Message class: LAY - Maintain Message Class: LAY

• Message number: 021

• Message text: Deviation record exists for material & with identical key

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 LAY021 - Deviation record exists for material & with identical key ?

  The SAP error message LAY021 indicates that there is a deviation record for a material with an identical key. This typically occurs in the context of inventory management or material master data, particularly when dealing with stock levels, valuation, or other related processes.
  Cause:
  The error usually arises due to one of the following reasons:
  
  
  Duplicate Records: There may be multiple records for the same material with the same key in the system, which can happen if there are inconsistencies in data entry or if the system has not been updated correctly.
  
  
  Open Purchase Orders or Stock Movements: If there are open purchase orders or stock movements that reference the material, it can lead to conflicts when trying to process transactions.
  
  
  Data Inconsistencies: There may be inconsistencies in the material master data, such as differences in valuation classes, storage locations, or other attributes.
  
  
  Configuration Issues: Sometimes, configuration settings in the system may lead to conflicts when processing materials.
  
  
  Solution:
  To resolve the LAY021 error, you can take the following steps:
  
  
  Check for Duplicate Records:
  
  Use transaction codes like MM03 (Display Material) or MM02 (Change Material) to check if there are duplicate records for the material in question.
  If duplicates are found, you may need to consolidate or delete the unnecessary records.
  
  
  
  Review Open Transactions:
  
  Check for any open purchase orders, stock transfers, or other transactions that may be referencing the material. You can use transaction codes like ME23N (Display Purchase Order) or MB52 (List Warehouse Stocks on Hand) to investigate.
  
  
  
  Analyze Material Master Data:
  
  Review the material master data for inconsistencies. Ensure that all relevant fields are correctly filled out and that there are no discrepancies in valuation or storage location.
  
  
  
  Consult with SAP Support:
  
  If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance. They may be able to provide insights based on system logs or specific configurations.
  
  
  
  Check Configuration Settings:
  
  Review the configuration settings related to material management in your SAP system. Ensure that they are set up correctly to avoid conflicts.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03, MM02, ME23N, MB52, and MB1A for inventory management.
  SAP Notes: Check SAP Notes for any known issues or patches related to the LAY021 error. SAP Notes can provide specific guidance or fixes for known problems.
  Documentation: Review SAP documentation related to material management and inventory processes to understand best practices and common pitfalls.
  
  By following these steps, you should be able to identify the cause of the LAY021 error and implement a solution to resolve it.