How To Fix ME580 - No requisition can be converted into a purchase order

SAP Error Message - Details

• Message type: E = Error

• Message class: ME - Purchasing: General Messages

• Message number: 580

• Message text: No requisition can be converted into a purchase order

What causes this issue?

This requisition is blocked by another user or was generated from a
Sales and Distribution (SD) document.
If it was generated from an SD document, it can only be converted into
a single purchase order item. That is to say, it is not possible to
reference it in more than one PO item.
However, since the quantity covered by this requisition has already
been ordered in part, no new PO item can be generated.

System Response

This requisition will not be taken into account when you generate the
purchase order. Since there are no further requisitions to be
processed, no purchase order will be created.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ME580 - No requisition can be converted into a purchase order ?

  The SAP error message ME580, which states "No requisition can be converted into a purchase order," typically occurs when attempting to convert a purchase requisition (PR) into a purchase order (PO) but the system cannot find any valid requisitions to process. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Requisition Status: The purchase requisition may be in a status that does not allow conversion (e.g., it may be marked as "blocked" or "completed").
  Missing Data: Required fields in the purchase requisition may be missing or incorrectly filled out, such as vendor information, material number, or account assignment.
  Document Type Issues: The document type of the requisition may not be configured to allow conversion to a purchase order.
  Plant or Storage Location: The plant or storage location associated with the requisition may not be valid or may not have the necessary settings.
  Authorization Issues: The user may not have the necessary authorizations to convert the requisition into a purchase order.
  Item Category: The item category of the requisition may not be compatible with the purchase order conversion process.
  Release Strategy: If a release strategy is in place, the requisition may not have been released yet.
  
  Solutions:
  
  Check Requisition Status: Verify the status of the purchase requisition in transaction ME53N. Ensure it is not blocked or completed.
  Review Data Completeness: Ensure that all required fields in the requisition are filled out correctly. Check for missing vendor, material, or account assignment information.
  Document Type Configuration: Check the configuration of the document type in the system to ensure it allows conversion to a purchase order.
  Validate Plant/Storage Location: Ensure that the plant and storage location are valid and correctly set up in the system.
  Authorization Check: Confirm that the user has the necessary authorizations to perform the conversion. This can be checked with the security team or through transaction SU53.
  Item Category Compatibility: Verify that the item category of the requisition is compatible with the purchase order conversion process.
  Release Strategy: If a release strategy is in place, ensure that the requisition has been released. You can check this in the requisition details.
  
  Related Information:
  
  Transaction Codes: 
  
  ME53N: Display Purchase Requisition
  ME54N: Release Purchase Requisition
  ME21N: Create Purchase Order
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  Documentation: Review SAP documentation or help files for additional guidance on purchase requisition and purchase order processes.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team or refer to SAP community forums for further assistance.