How To Fix /SAPAPO/MC01_ECV056 - Unknown source of supply category &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MC01_ECV -

• Message number: 056

• Message text: Unknown source of supply category &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/MC01_ECV056 - Unknown source of supply category &1 ?

  The SAP error message /SAPAPO/MC01_ECV056 Unknown source of supply category &1 typically occurs in the context of Advanced Planning and Optimization (APO) when the system encounters an unknown or unrecognized source of supply category during planning or execution processes.
  Cause:
  
  Incorrect Configuration: The source of supply category may not be properly configured in the system. This could be due to missing entries in the relevant customizing settings.
  Data Inconsistency: There may be inconsistencies in the master data, such as the source of supply not being defined or activated in the system.
  Missing Master Data: The specific source of supply category referenced in the error message may not exist in the system or may have been deleted.
  Transport Issues: If the system has recently undergone a transport of changes, the relevant configurations or master data may not have been transported correctly.
  
  Solution:
  
  
  Check Configuration: Verify the configuration settings for the source of supply categories in the SAP APO system. Ensure that the category in question is defined and active.
  
  Navigate to the relevant customizing transaction (e.g., SPRO) and check the settings under the Supply Chain Management section.
  
  
  
  Review Master Data: Check the master data for the relevant planning object (e.g., product, location) to ensure that the source of supply category is correctly defined.
  
  Use transaction codes like /SAPAPO/MC62 to view and maintain the source of supply data.
  
  
  
  Data Consistency Check: Run consistency checks to identify any discrepancies in the master data that may be causing the issue.
  
  Use transaction /SAPAPO/MC62 to check for inconsistencies in the source of supply.
  
  
  
  Transport Validation: If the issue arose after a transport, validate that all necessary objects were transported correctly. Check the transport logs for any errors or warnings.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific error message for additional insights or patches that may address the issue.
  
  
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance, providing them with the error details and any relevant logs.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/MC62 for managing source of supply, and /SAPAPO/MC73 for checking planning data.
  SAP Notes: Search for SAP Notes related to this error message in the SAP Support Portal, as there may be specific fixes or recommendations provided by SAP.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the cause of the error message /SAPAPO/MC01_ECV056 Unknown source of supply category &1.