How To Fix IW518 - Problems when completing notifications during RFC

SAP Error Message - Details

• Message type: E = Error

• Message class: IW - Order Processing

• Message number: 518

• Message text: Problems when completing notifications during RFC

What causes this issue?

One or more notifications have not been completed.

System Response

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

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IW518 - Problems when completing notifications during RFC ?

  The SAP error message IW518 typically indicates that there are problems when completing notifications during Remote Function Call (RFC) processing. This error can arise due to various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Causes of IW518 Error
  
  
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing or incorrect entries in the notification or related master data.
  
  
  Authorization Issues: The user executing the RFC may not have the necessary authorizations to complete the notifications.
  
  
  System Configuration: Incorrect configuration settings in the SAP system can lead to issues during the completion of notifications.
  
  
  Network Issues: Problems with the network connection between the systems involved in the RFC can cause interruptions or failures in processing.
  
  
  Lock Entries: If the notification is locked by another user or process, it may prevent the completion of the notification.
  
  
  BAPI or Function Module Errors: If the RFC is calling a BAPI or function module that has issues (e.g., incorrect parameters, logic errors), it can lead to this error.
  
  
  Solutions to IW518 Error
  
  
  Check Data Consistency:
  
  Review the notification data for any missing or incorrect entries.
  Ensure that all required fields are filled out correctly.
  
  
  
  Verify Authorizations:
  
  Check the user’s authorizations to ensure they have the necessary permissions to complete notifications.
  Use transaction code SU53 to analyze authorization issues.
  
  
  
  Review System Configuration:
  
  Check the configuration settings related to notifications and RFC processing.
  Ensure that all relevant settings are correctly configured.
  
  
  
  Network Troubleshooting:
  
  Verify the network connection between the systems involved in the RFC.
  Check for any network-related issues that may be affecting communication.
  
  
  
  Check for Lock Entries:
  
  Use transaction code SM12 to check for any lock entries on the notification.
  If a lock exists, determine if it can be released or if the process holding the lock can be resolved.
  
  
  
  Debugging BAPI/Function Module:
  
  If the error is related to a specific BAPI or function module, consider debugging it to identify any issues with the parameters or logic.
  Use transaction code SE37 to analyze the BAPI or function module.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes that may address the specific error message or related issues.
  Implement any recommended fixes or patches.
  
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as IW21 (Create Notification), IW22 (Change Notification), IW23 (Display Notification), and SM12 (Display and Delete Lock Entries).
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  Documentation: Review SAP documentation and community forums for additional insights and solutions related to IW518 and notification processing.
  
  By systematically addressing the potential causes and applying the suggested solutions, you should be able to resolve the IW518 error effectively.