How To Fix MMPUR_BASE300 - Ext. RFC not allowed for &1 (SAP Note 2028954)

SAP Error Message - Details

• Message type: E = Error

• Message class: MMPUR_BASE - General Message Class of Component MM-PUR

• Message number: 300

• Message text: Ext. RFC not allowed for &1 (SAP Note 2028954)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MMPUR_BASE300 - Ext. RFC not allowed for &1 (SAP Note 2028954) ?

  The SAP error message MMPUR_BASE300 with the description "Ext. RFC not allowed for &1" typically occurs in the context of SAP's Material Management (MM) module, particularly when dealing with external RFC (Remote Function Call) calls that are not permitted for certain operations or objects.
  Cause:
  The error is generally caused by an attempt to execute a function module or transaction that is not allowed to be called via an external RFC. This restriction is often in place for security reasons or to ensure that certain operations are only performed in a controlled environment.
  Solution:
  To resolve this error, you can consider the following steps:
  
  
  Check the Function Module: Identify the function module or transaction that is causing the error. You can do this by checking the details of the error message or the context in which it occurs.
  
  
  Review SAP Note 2028954: This specific SAP Note provides guidance on the error and may include recommendations for configuration changes or updates that can resolve the issue. You can access this note through the SAP Support Portal.
  
  
  Adjust RFC Settings: If you have the necessary permissions, you may need to adjust the settings for the RFC destination or the function module to allow external calls. This may involve changing the configuration in transaction SM59 or modifying the function module's attributes.
  
  
  Consult with Basis Team: If you are not able to resolve the issue on your own, it may be necessary to involve your SAP Basis team. They can help with the configuration of RFC connections and ensure that the necessary permissions are in place.
  
  
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and notes, as updates may resolve known issues related to this error.
  
  
  Related Information:
  
  SAP Notes: Always check for the latest SAP Notes related to your error message. SAP Notes often contain important information about known issues, workarounds, and fixes.
  SAP Community: The SAP Community forums can be a valuable resource for finding discussions and solutions related to specific error messages.
  Documentation: Review the official SAP documentation for the MM module and RFC connections to understand the limitations and configurations that may apply.
  
  If you continue to experience issues after following these steps, consider reaching out to SAP support for further assistance.