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