How To Fix DNO155 - Error while saving the notification

SAP Error Message - Details

• Message type: E = Error

• Message class: DNO - Messages for General Notifications

• Message number: 155

• Message text: Error while saving the notification

What causes this issue?

An error occurred when sending the notification to SAP.

System Response

The notification is saved locally. However, it is not saved at SAP.

How to fix this error?

Try to send the notification to SAP again later.

Procedure for System Administrators

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 DNO155 - Error while saving the notification ?

  The SAP error message DNO155, which states "Error while saving the notification," typically occurs in the context of creating or updating notifications in the SAP system, particularly in the Plant Maintenance (PM) or Customer Service (CS) modules. This error can arise due to various reasons, and understanding the cause is essential for finding a solution.
  Possible Causes:
  
  
  Missing Required Fields: Certain mandatory fields in the notification may not be filled out. Check if all required fields are completed.
  
  
  Data Inconsistencies: There may be inconsistencies in the data entered, such as invalid dates, incorrect status, or incompatible entries.
  
  
  Authorization Issues: The user may not have the necessary authorizations to create or modify notifications.
  
  
  System Configuration: There could be issues related to the configuration of the notification types or the underlying business processes.
  
  
  Technical Issues: There may be underlying technical issues, such as database locks, system performance problems, or issues with the SAP application server.
  
  
  Custom Code or Enhancements: If there are custom developments or enhancements in the notification process, they may be causing the error.
  
  
  Solutions:
  
  
  Check Required Fields: Ensure that all mandatory fields are filled out correctly. Review the notification for any missing or incorrect data.
  
  
  Review Data Entries: Validate the data entered in the notification. Look for any inconsistencies or invalid entries.
  
  
  Authorization Check: Verify that the user has the necessary authorizations to create or modify notifications. This can be checked with the help of a system administrator.
  
  
  Consult Configuration: If you suspect a configuration issue, consult with your SAP configuration team to ensure that the notification types and related settings are correctly configured.
  
  
  Technical Support: If the issue persists, consider reaching out to your SAP Basis team to check for any technical issues, such as database locks or performance problems.
  
  
  Debugging: If you have access to debugging tools, you can analyze the program flow to identify where the error occurs. This may require the assistance of a developer.
  
  
  Check for Notes and Patches: Look for any SAP Notes or patches related to this error message. SAP frequently releases updates that may address known issues.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as IW21 (Create Notification), IW22 (Change Notification), and IW23 (Display Notification).
  SAP Notes: Search the SAP Support Portal for specific notes related to DNO155 for any known issues or fixes.
  Documentation: Review SAP documentation for notifications in the PM or CS modules to understand the required fields and processes better.
  
  If the problem continues after trying the above solutions, it may be beneficial to escalate the issue to SAP support or consult with an experienced SAP consultant.