How To Fix MC300 - *** 301 - 309 reserved for matchcode selection routines MC_...

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 300

• Message text: *** 301 - 309 reserved for matchcode selection routines MC_...

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MC300 - *** 301 - 309 reserved for matchcode selection routines MC_... ?

  The SAP error message MC300 with codes ranging from 301 to 309 typically relates to issues with matchcode selection routines in the SAP system. These messages are often encountered when there are problems with the matchcode objects or when the system is unable to find the appropriate matchcode entries.
  Cause:
  
  Matchcode Object Issues: The matchcode object may not be defined correctly or may not exist in the system.
  Data Inconsistencies: There may be inconsistencies or missing data in the underlying tables that the matchcode is supposed to reference.
  Authorization Issues: The user may not have the necessary authorizations to access the matchcode object.
  Configuration Errors: Incorrect configuration settings in the matchcode object or related settings can lead to these errors.
  System Performance: If the system is under heavy load, it may not be able to process the matchcode requests in a timely manner.
  
  Solution:
  
  Check Matchcode Object: Verify that the matchcode object is correctly defined in the system. You can do this by using transaction codes like SE11 (Data Dictionary) to check the matchcode object definition.
  Rebuild Matchcode: If the matchcode object is defined but not functioning correctly, you may need to rebuild it. This can be done using transaction SOMC (Matchcode Object Maintenance).
  Data Consistency Check: Run consistency checks on the underlying tables to ensure that there are no missing or inconsistent entries.
  Authorization Check: Ensure that the user has the necessary authorizations to access the matchcode object. This can be checked in transaction SU53 or by reviewing the user's roles and authorizations.
  Review Configuration: Check the configuration settings related to the matchcode object to ensure they are set up correctly.
  System Performance: If the issue is related to system performance, consider checking system logs and performance metrics to identify any bottlenecks.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11, SOMC, and SU53 for troubleshooting.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific matchcode object you are working with.
  Documentation: Review SAP documentation for matchcode objects and selection routines to understand their configuration and usage better.
  Support: If the issue persists, consider reaching out to SAP support for further 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 diagnose and resolve the MC300 error messages related to matchcode selection routines in SAP.