How To Fix OM126 - Error when reading &

SAP Error Message - Details

• Message type: E = Error

• Message class: OM - Customizing Materialwirtschaft

• Message number: 126

• Message text: Error when reading &

What causes this issue?

&V1& could not be read from the database. This is either a database
problem, or the relevant control tables are inconsistent.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Please contact your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OM126 - Error when reading & ?

  The SAP error message OM126 typically indicates an issue related to the configuration of the material master or the settings in the system that are preventing the proper reading of data. This error often occurs in the context of inventory management or material requirements planning (MRP).
  Cause:
  
  Missing Configuration: The error may arise if the configuration for the material type or the plant is incomplete or incorrect.
  Data Inconsistency: There may be inconsistencies in the data related to the material master, such as missing fields or incorrect entries.
  Authorization Issues: The user may not have the necessary authorizations to access the required data.
  System Issues: There could be a temporary issue with the SAP system or database that is preventing data retrieval.
  
  Solution:
  
  Check Material Master Data: Verify that the material master data is complete and correctly configured. Ensure that all required fields are filled out and that the material type is correctly assigned.
  Review Configuration Settings: Check the configuration settings in the SAP system for the relevant modules (e.g., MM, IM, MRP) to ensure they are set up correctly.
  Authorization Check: Ensure that the user has the necessary authorizations to access the material data. This can be checked with the help of a system administrator.
  Transaction Codes: Use transaction codes like MM03 (Display Material) to check the material details and OMH1 (Maintain Material Types) to review the configuration.
  System Logs: Check the system logs for any additional error messages or warnings that may provide more context about the issue.
  Consult SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide patches or updates.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on material master data and configuration.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Support Tickets: If the issue persists, consider raising a support ticket with SAP for further assistance.
  
  By following these steps, you should be able to identify and resolve the OM126 error in your SAP system.