How To Fix /SAPAPO/PDRP635 - DRP Input: DS (mod.) schedule line number &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PDRP -

• Message number: 635

• Message text: DRP Input: DS (mod.) schedule line number &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PDRP635 - DRP Input: DS (mod.) schedule line number &1 ?

  The SAP error message /SAPAPO/PDRP635 typically occurs in the context of Demand Planning and Distribution Requirements Planning (DRP) within the SAP Advanced Planning and Optimization (APO) module. This error indicates that there is an issue with the input data related to the schedule line number in the DRP process.
  Cause:
  The error message /SAPAPO/PDRP635 can be triggered by several factors, including:
  
  Missing Schedule Line Data: The schedule line number referenced in the error may not exist in the system or may not be properly defined in the relevant master data.
  Incorrect Configuration: There may be configuration issues in the DRP settings or in the master data that prevent the system from processing the schedule line correctly.
  Data Inconsistencies: There could be inconsistencies in the data being used for planning, such as missing or incorrect entries in the planning books or data views.
  Versioning Issues: The version of the planning data being used may not be compatible with the current settings or may not have been activated properly.
  
  Solution:
  To resolve the error /SAPAPO/PDRP635, you can take the following steps:
  
  
  Check Schedule Line Data: Verify that the schedule line number mentioned in the error message exists in the system. You can do this by checking the relevant master data (e.g., material master, sales order, etc.).
  
  
  Review Configuration: Ensure that the DRP configuration is set up correctly. This includes checking the settings for planning books, data views, and any relevant parameters in the APO system.
  
  
  Data Consistency Check: Run consistency checks on the planning data to identify any discrepancies. You can use transaction codes like /SAPAPO/SDP94 to check the planning book data.
  
  
  Reprocess Planning Data: If the data is inconsistent, you may need to reprocess the planning data. This can involve re-running the planning run or reactivating the planning version.
  
  
  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 performing the above checks, consider reaching out to SAP support for further assistance. Provide them with the error message details and any relevant logs or screenshots.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP APO, such as /SAPAPO/SDP94 for planning book analysis and /SAPAPO/PDRP for DRP-related transactions.
  SAP Notes: Search for SAP Notes related to the error message for any known issues or fixes.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the /SAPAPO/PDRP635 error message.