How To Fix /SAPAPO/MC01303 - Check the class and char. definition in the OLTP and planning system

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MC01 -

• Message number: 303

• Message text: Check the class and char. definition in the OLTP and planning system

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/MC01303 - Check the class and char. definition in the OLTP and planning system ?

  The SAP error message /SAPAPO/MC01303 typically indicates an issue related to the characteristics and class definitions in the SAP Advanced Planning and Optimization (APO) system. This error often arises when there is a mismatch or inconsistency between the definitions in the OLTP (Online Transaction Processing) system and the APO system.
  Cause:
  
  Mismatch in Class Definitions: The characteristics or classes defined in the OLTP system do not match those in the APO system. This can happen if changes were made in one system but not replicated in the other.
  Missing Characteristics: The characteristics that are expected in the APO system may not exist in the OLTP system or vice versa.
  Transport Issues: If changes were transported from one system to another, there may have been issues during the transport process that led to incomplete or incorrect data.
  Configuration Errors: Incorrect configuration settings in either the OLTP or APO system can lead to this error.
  
  Solution:
  
  
  Check Class and Characteristic Definitions:
  
  Go to the OLTP system and verify the class and characteristic definitions. Ensure that they are correctly defined and match what is expected in the APO system.
  Use transaction codes like CL02 (Change Class) and CT04 (Change Characteristic) to review the definitions.
  
  
  
  Synchronize Definitions:
  
  If discrepancies are found, update the definitions in either the OLTP or APO system to ensure they match.
  If changes were made in the OLTP system, ensure they are transported to the APO system correctly.
  
  
  
  Transport Requests:
  
  Check the transport requests to ensure that all necessary changes have been transported successfully. If there are missing transports, you may need to re-transport the relevant objects.
  
  
  
  Consistency Check:
  
  Use transaction /SAPAPO/MC_CHECK to perform a consistency check between the OLTP and APO systems. This can help identify any inconsistencies that need to be addressed.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to this error message for any specific guidance or patches that may be applicable.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking and synchronizing the definitions, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CL02, CT04, and /SAPAPO/MC_CHECK for managing classes and characteristics.
  SAP Notes: Search for SAP Notes related to this error message for any known issues or fixes.
  System Logs: Check system logs for additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to identify and resolve the cause of the /SAPAPO/MC01303 error message.