How To Fix IM429 - Number range for notification type & not maintained

IM429 - Overview

• Message type: E = Error

• Message class: IM - Maintenance notifications

• Message number: 429

• Message text: Number range for notification type & not maintained

What causes this issue?

The number range assigned is missing for the PM notification type.

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?

Define the number range using the customizing function, or check whether
the correct number range was assigned to the notification type.

Error message extract from SAP system. Copyright SAP SE.

IM429 - Details

• The SAP error message IM429 ("Number range for notification type & not maintained") typically occurs when you attempt to create a notification in the SAP system, but the system cannot find a valid number range assigned to the specified notification type. This can happen for various reasons, such as configuration issues or missing settings in the number range management.
  
  Cause:
  
  Missing Number Range: The notification type you are trying to use does not have a number range defined in the system.
  Incorrect Configuration: The number range may be incorrectly configured or not assigned to the notification type.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access or create notifications with the specified type.
  
  
  Solution:
  To resolve the IM429 error, follow these steps:
  
  
  Check Number Range Configuration:
  
  Go to transaction code SNRO (Number Range Objects).
  Enter the object name related to the notification type (e.g., IM_NOTIFICATION for maintenance notifications).
  Check if the number range intervals are defined