How To Fix MG420 - & logically incorrect records occurred in total

SAP Error Message - Details

• Message type: E = Error

• Message class: MG - Batch input: material master

• Message number: 420

• Message text: & logically incorrect records occurred in total

What causes this issue?

Logical errors occurred during the direct input run.

System Response

The incorrect records have been stored for you to check and correct.

How to fix this error?

You can view these errors by choosing <LS>Applications</> ->
<LS>Industry matl master</> -> <LS>Correct log. errors</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MG420 - & logically incorrect records occurred in total ?

  The SAP error message MG420 typically indicates that there are logically incorrect records in the inventory management or material management module. This error can occur during various transactions, such as goods movements, inventory counts, or when running reports that involve inventory data.
  Cause of MG420 Error
  
  
  Data Inconsistencies: The error often arises from inconsistencies in the inventory data, such as mismatched stock quantities, incorrect material documents, or discrepancies between the stock levels in the database and the physical stock.
  
  
  Logical Errors: This can include situations where the system expects certain conditions to be met (e.g., stock levels should not be negative) but finds that they are not.
  
  
  Incorrect Configuration: Sometimes, configuration settings in the material management module may lead to logical inconsistencies.
  
  
  User Errors: Manual entries or incorrect postings can lead to logical errors in the records.
  
  
  Solution to MG420 Error
  
  
  Check Inventory Records: Review the inventory records for the materials involved. Look for discrepancies in stock levels, and ensure that all goods movements have been properly posted.
  
  
  Run Inventory Reconciliation: Use transaction codes like MB5B (Stock on Posting Date) or MB52 (List of Warehouse Stocks on Hand) to check for inconsistencies. You may also want to run the inventory reconciliation report to identify discrepancies.
  
  
  Analyze Material Documents: Use transaction code MB03 to view material documents related to the affected materials. Check for any incorrect postings or missing documents.
  
  
  Correct Logical Errors: If you identify any logical errors, correct them by adjusting stock levels or re-posting transactions as necessary.
  
  
  Use Transaction Code MB1A/MB1B/MB1C: If you need to adjust stock levels, you can use these transaction codes to post goods issues, transfers, or receipts.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or patches that may address this specific error.
  
  
  Engage Technical Support: If the issue persists, consider reaching out to your SAP support team or a consultant who can help diagnose and resolve the underlying issues.
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MB1A (Goods Withdrawal), MB1B (Transfer Posting), and MB1C (Other Goods Receipts).
  SAP Documentation: Review SAP documentation for inventory management to understand the expected data structures and processes.
  User Training: Ensure that users are trained on proper data entry and inventory management practices to minimize the occurrence of such errors in the future.
  
  By following these steps, you should be able to identify and resolve the issues causing the MG420 error and logically incorrect records in your SAP system.