How To Fix IM556 - Only one root cause could be assigned to the notification &1 (header)

SAP Error Message - Details

• Message type: E = Error

• Message class: IM - Maintenance notifications

• Message number: 556

• Message text: Only one root cause could be assigned to the notification &1 (header)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IM556 - Only one root cause could be assigned to the notification &1 (header) ?

  The SAP error message IM556, which states "Only one root cause could be assigned to the notification &1 (header)," typically occurs in the context of maintenance notifications or issues related to the management of notifications in SAP's Plant Maintenance (PM) module. This error indicates that the system is trying to assign multiple root causes to a single notification, which is not allowed.
  Cause:
  The primary cause of this error is that the system is designed to allow only one root cause to be assigned to a notification. If there is an attempt to assign more than one root cause, or if the data being processed is inconsistent with the system's requirements, this error will be triggered.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Notification Details: Review the notification in question (identified by &1) to ensure that only one root cause is assigned. If multiple root causes are present, remove the additional ones.
  
  
  Correct Data Entry: Ensure that when entering root causes, you are adhering to the system's constraints. Only one root cause should be selected or entered for each notification.
  
  
  Review Configuration: If you are consistently encountering this error, it may be worth reviewing the configuration settings in the SAP system related to notifications and root causes. Ensure that the settings align with your business processes.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for guidance on how to properly manage notifications and root causes.
  
  
  User Training: If the issue is due to user error, consider providing training to users on how to correctly assign root causes to notifications.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this issue or provide additional guidance. Sometimes, there are patches or updates that can resolve specific errors.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as IW21 (Create Notification), IW22 (Change Notification), and IW23 (Display Notification) to manage notifications effectively.
  SAP PM Module: Understanding the broader context of the SAP Plant Maintenance module can help in troubleshooting and resolving issues related to notifications and maintenance activities.
  Error Logs: Check system logs or error logs for additional details that may provide more context about the error.
  
  If the problem persists after following these steps, it may be necessary to consult with your SAP support team or a technical consultant for further assistance.