How To Fix /SAPAPO/PDRP056 - Purchase requisition contains no source of supply/reference document

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PDRP -

• Message number: 056

• Message text: Purchase requisition contains no source of supply/reference document

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PDRP056 - Purchase requisition contains no source of supply/reference document ?

  The SAP error message /SAPAPO/PDRP056 indicates that a purchase requisition does not have an associated source of supply or reference document. This typically occurs in the context of Advanced Planning and Optimization (APO) when trying to create or process a purchase requisition that lacks the necessary information to identify where the materials should be sourced from.
  Causes:
  
  Missing Source of Supply: The purchase requisition may not have been assigned a vendor or source of supply in the system.
  Incorrect Master Data: The material master or vendor master data may not be set up correctly, leading to the absence of valid sources of supply.
  Planning Settings: The planning settings in APO may not be configured to allow for the automatic assignment of sources of supply.
  Document Type Issues: The document type of the purchase requisition may not be configured to allow for sourcing.
  Data Synchronization Issues: There may be issues with data synchronization between the ERP and APO systems, leading to missing information.
  
  Solutions:
  
  Check Source of Supply: Ensure that the purchase requisition has a valid source of supply assigned. You can do this by checking the purchase requisition in the relevant transaction (e.g., ME53N).
  Review Master Data: Verify that the material master and vendor master data are correctly maintained. Ensure that the relevant purchasing info records exist and are active.
  Configure Planning Settings: Review the planning settings in APO to ensure that they are set up to allow for the automatic assignment of sources of supply.
  Document Type Configuration: Check the configuration of the document type for the purchase requisition to ensure it allows for sourcing.
  Data Synchronization: If you suspect data synchronization issues, check the integration between the ERP and APO systems. You may need to run synchronization jobs or check for errors in the data transfer.
  Manual Assignment: If automatic assignment is not possible, consider manually assigning a source of supply to the purchase requisition.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like ME53N (Display Purchase Requisition) and ME21N (Create Purchase Order) to check and manage purchase requisitions and their sources of supply.
  Master Data Maintenance: Ensure that the relevant master data (material, vendor, purchasing info records) is maintained correctly in both the ERP and APO systems.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message or provide updates and patches.
  Documentation: Refer to SAP documentation for detailed information on configuring sourcing and procurement processes in APO.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.