How To Fix MG401 - Runtime information could not be read

SAP Error Message - Details

• Message type: E = Error

• Message class: MG - Batch input: material master

• Message number: 401

• Message text: Runtime information could not be read

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 MG401 - Runtime information could not be read ?

  The SAP error message MG401, which states "Runtime information could not be read," typically occurs in the context of inventory management or material movements. This error can arise due to various reasons, including issues with the material master data, inconsistencies in the database, or problems with the configuration of the system.
  Causes:
  
  Material Master Issues: The material in question may not be properly set up in the system, or it may be missing essential data.
  Database Inconsistencies: There could be inconsistencies in the database that prevent the system from retrieving the necessary runtime information.
  Authorization Issues: The user may not have the necessary authorizations to access the required data.
  System Configuration: Incorrect configuration settings in the inventory management module can lead to this error.
  Transport Issues: If recent changes were transported to the system, they may not have been properly implemented or could have introduced errors.
  
  Solutions:
  
  Check Material Master Data: Verify that the material master data is complete and correctly configured. Ensure that all necessary views (e.g., Basic Data, Purchasing, Sales) are maintained.
  Database Consistency Check: Run a consistency check on the database to identify and resolve any inconsistencies. This may involve using transaction codes like SE14 (Database Utility) or SE11 (Data Dictionary).
  User Authorizations: Ensure that the user encountering the error has the appropriate authorizations to access the required data. This can be checked in transaction SU53 or by consulting with your security team.
  Review Configuration Settings: Check the configuration settings in the inventory management module to ensure they are set up correctly. This may involve reviewing settings in SPRO (SAP Project Reference Object).
  Transport Management: If the error occurred after a transport, check the transport logs for any issues. You may need to re-import the transport or correct any errors that were introduced.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates available that resolve the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), MB51 (Material Document List), and MB1A (Goods Withdrawal) to help diagnose the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to identify the cause of the MG401 error and implement a suitable solution.