How To Fix IDGT_LC028 - Red-letter notification number contains only digits; check your entry

SAP Error Message - Details

• Message type: E = Error

• Message class: IDGT_LC -

• Message number: 028

• Message text: Red-letter notification number contains only digits; check your entry

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message IDGT_LC028 - Red-letter notification number contains only digits; check your entry ?

  The SAP error message IDGT_LC028 indicates that there is an issue with the format of a notification number you are trying to enter. Specifically, the error states that the notification number contains only digits, which is not acceptable in the context where you are trying to use it.
  Cause:
  
  Incorrect Format: The notification number you are entering is expected to have a specific format that may include letters, special characters, or a combination of both, but you are providing a number that consists solely of digits.
  Validation Rules: The system has validation rules that require the notification number to meet certain criteria, which may not be satisfied by a purely numeric entry.
  
  Solution:
  
  Check the Notification Number: Ensure that the notification number you are entering adheres to the required format. It should include letters or other characters as specified by your organization's standards or the SAP configuration.
  Refer to Documentation: Consult your organization's documentation or SAP guidelines to understand the expected format for notification numbers.
  Modify Input: If you have control over the input, modify the notification number to include the necessary characters. For example, if the format requires a prefix or suffix, add those accordingly.
  Contact Support: If you are unsure about the correct format or if the issue persists after checking your input, consider reaching out to your SAP support team or system administrator for assistance.
  
  Related Information:
  
  SAP Configuration: The format for notification numbers may be defined in the SAP configuration settings. If you have access, you can check the relevant configuration in transaction codes like SPRO.
  User Exits or BAdIs: Sometimes, custom logic may be implemented in the system that affects how notification numbers are validated. If your organization has custom developments, check if any user exits or BAdIs are influencing this behavior.
  Documentation and Training: Ensure that users are trained on the correct procedures for entering notification numbers to avoid similar errors in the future.
  
  By following these steps, you should be able to resolve the error and successfully enter the notification number in the SAP system.