How To Fix IM430 - External number assignment, please enter notification number

SAP Error Message - Details

• Message type: E = Error

• Message class: IM - Maintenance notifications

• Message number: 430

• Message text: External number assignment, please enter notification number

What causes this issue?

You have selected a PM notification type for which external number
assignment has been defined in Customizing.

How to fix this error?

You have to assign the PM notification number externally. By means of
the Customizing function, you can determine which number range is valid
for this PM notification type.

You have selected a PM notification type for which external number
assignment has been defined in Customizing. You have to assign the PM
notification number externally.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IM430 - External number assignment, please enter notification number ?

  The SAP error message IM430 ("External number assignment, please enter notification number") typically occurs when you are trying to create or process a notification in the SAP system, but the system is expecting an external notification number to be provided, and none has been entered.
  
  Cause:
  
  External Number Assignment: The system is configured to use external number assignment for notifications, which means that the user must manually enter a notification number instead of the system generating one automatically.
  Configuration Settings: The configuration settings for the notification type may require an external number to be specified, and if it is not provided, the error will be triggered.
  User Input: The user may have overlooked entering the notification number in the relevant field.
  
  
  Solution:
  
  Enter Notification Number: When prompted with the error, simply enter a valid notification number in the designated field. Ensure that the number adheres to the format and range defined in the system.
  Check Configuration: If