How To Fix /PF1/MSG_PO_E899 - Calendar for Duplicate Check not maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_PO_E -

• Message number: 899

• Message text: Calendar for Duplicate Check not maintained

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PF1/MSG_PO_E899 - Calendar for Duplicate Check not maintained ?

  The SAP error message /PF1/MSG_PO_E899 Calendar for Duplicate Check not maintained typically occurs in the context of purchase order processing. This error indicates that the system is unable to perform a duplicate check for purchase orders because the calendar settings required for this check have not been configured.
  Cause:
  The primary cause of this error is that the system is missing the necessary calendar settings that are used to determine the time frame for checking duplicate purchase orders. This can happen if:
  
  The calendar for the relevant purchasing organization or company code has not been defined.
  The configuration for duplicate checks in the purchasing settings is incomplete or incorrect.
  
  Solution:
  To resolve this error, you need to maintain the calendar settings for duplicate checks in the SAP system. Here are the steps to do this:
  
  
  Access the Configuration:
  
  Go to the SAP Easy Access screen.
  Navigate to the following path: 
  SPRO -> SAP Reference IMG -> Materials Management -> Purchasing -> Purchase Order -> Define Duplicate Check
  
  
  
  
  Maintain Calendar Settings:
  
  In the duplicate check configuration, ensure that a calendar is defined for the relevant purchasing organization or company code.
  You may need to create a new calendar or modify an existing one to ensure it meets the requirements for duplicate checks.
  
  
  
  Check Customizing Settings:
  
  Ensure that the settings for duplicate checks are correctly configured. This includes defining the time frame for the duplicate check and ensuring that the relevant parameters are set.
  
  
  
  Testing:
  
  After making the necessary changes, test the purchase order creation process again to see if the error persists.
  
  
  
  Consult Documentation:
  
  If you are unsure about the specific settings or need further details, refer to the SAP documentation or consult with your SAP Basis or MM consultant.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SPRO for configuration or ME21N for creating purchase orders.
  SAP Notes: Check for any relevant SAP Notes that might provide additional insights or updates related to this error.
  User Authorizations: Ensure that you have the necessary authorizations to make changes in the configuration settings.
  
  By following these steps, you should be able to resolve the error message and ensure that the duplicate check functionality works as intended in your SAP system.