How To Fix MEPO303 - Purchase req. &1 &2: follow-on document from external system not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: MEPO - New Purchase Order Dialog

• Message number: 303

• Message text: Purchase req. &1 &2: follow-on document from external system not allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MEPO303 - Purchase req. &1 &2: follow-on document from external system not allowed ?

  The SAP error message MEPO303 indicates that there is an issue with a purchase requisition (PR) that is linked to a follow-on document from an external system. This error typically arises when the system is configured to prevent the creation of follow-on documents (like purchase orders) from external systems for certain purchase requisitions.
  Cause:
  
  Configuration Settings: The system may be configured to restrict the creation of follow-on documents from external systems for specific purchase requisitions.
  Document Type Restrictions: The document type of the purchase requisition may not allow follow-on documents from external systems.
  Integration Issues: There may be issues with the integration between the external system and SAP, leading to the rejection of the follow-on document.
  Authorization Issues: The user may not have the necessary authorizations to create follow-on documents from external systems.
  
  Solution:
  
  
  Check Configuration: Review the configuration settings in SAP related to purchase requisitions and follow-on documents. Ensure that the settings allow for the creation of follow-on documents from external systems.
  
  Transaction Codes: Use transaction codes like SPRO to access the configuration settings.
  
  
  
  Review Document Types: Check the document type settings for the purchase requisition. Ensure that the document type allows for follow-on documents from external systems.
  
  Transaction Codes: Use transaction codes like OME9 to check the document type settings.
  
  
  
  Integration Check: Verify the integration setup between the external system and SAP. Ensure that the necessary interfaces are correctly configured and that there are no errors in the data being sent from the external system.
  
  
  User Authorizations: Ensure that the user attempting to create the follow-on document has the necessary authorizations. Check the user roles and permissions in SAP.
  
  Transaction Codes: Use transaction codes like SU01 to check user authorizations.
  
  
  
  Consult Documentation: Refer to SAP documentation or support notes related to this error message for additional insights and troubleshooting steps.
  
  
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message.
  Transaction Codes: Familiarize yourself with transaction codes related to purchase requisitions and follow-on documents, such as ME51N (Create Purchase Requisition), ME52N (Change Purchase Requisition), and ME53N (Display Purchase Requisition).
  User Manuals: Review user manuals or training materials related to procurement processes in SAP to understand the workflow and restrictions better.
  
  By following these steps, you should be able to identify the cause of the MEPO303 error and implement a suitable solution.