How To Fix MC123 - Error & when starting background job &

SAP Error Message - Details

• Message type: E = Error

• Message class: MC - Aggregate: views, matchcodes, lock objects

• Message number: 123

• Message text: Error & when starting background job &

What causes this issue?

An error of unknown origin occurred when scheduling the background job.

System Response

Maintenance of the matchcode object is cancelled.

How to fix this error?

Check your input parameters if you are working with the SAPMACO
program. You can check the environment for the background processing
with the transaction SM37. If you do not find an error, execute the
matchcode object maintenance online as a way of circumventing the error.
You might be able to find the error in this way.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MC123 - Error & when starting background job & ?

  The SAP error message MC123 typically indicates an issue related to the Material Management (MM) module, particularly in the context of background jobs that involve material movements or inventory management. The error message can arise due to various reasons, and here are some common causes, potential solutions, and related information:
  Causes of MC123 Error
  
  
  Data Inconsistency: There may be inconsistencies in the data being processed, such as missing or incorrect material master data, or issues with the document flow.
  
  
  Authorization Issues: The user or background job may not have the necessary authorizations to execute the transaction or access the required data.
  
  
  Configuration Issues: Incorrect configuration settings in the system related to material management or inventory management can lead to this error.
  
  
  Job Scheduling Issues: The background job may not be scheduled correctly, or there may be conflicts with other jobs running at the same time.
  
  
  System Performance: If the system is under heavy load, it may not be able to process the job in a timely manner, leading to timeouts or errors.
  
  
  Solutions to MC123 Error
  
  
  Check Data Consistency:
  
  Verify the material master data and ensure that all required fields are filled correctly.
  Check for any inconsistencies in the document flow related to the materials being processed.
  
  
  
  Review Authorizations:
  
  Ensure that the user or background job has the necessary authorizations to execute the required transactions.
  Use transaction code SU53 to check for authorization failures.
  
  
  
  Configuration Review:
  
  Review the configuration settings in the MM module to ensure they are set up correctly.
  Consult with your SAP Basis or MM consultant to verify that all necessary settings are in place.
  
  
  
  Job Scheduling:
  
  Check the job scheduling settings in transaction SM37 to see if there are any conflicts or issues with other jobs.
  If necessary, reschedule the job to a time when the system is less busy.
  
  
  
  System Performance:
  
  Monitor system performance and check for any bottlenecks that may be affecting job processing.
  Consider optimizing the job or breaking it into smaller parts if it is processing a large volume of data.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  SM37: Monitor background jobs.
  SU53: Check authorization issues.
  MMBE: Check material stock levels.
  MB51: Display material document list.
  
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address the MC123 error specifically. You can search for the error message or related keywords.
  
  
  Documentation: Review SAP documentation related to the MM module for best practices and troubleshooting steps.
  
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.