How To Fix IDGT_LC164 - Fill in the red-letter invoice notification number

SAP Error Message - Details

• Message type: E = Error

• Message class: IDGT_LC -

• Message number: 164

• Message text: Fill in the red-letter invoice notification number

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_LC164 - Fill in the red-letter invoice notification number ?

  The SAP error message IDGT_LC164, which states "Fill in the red-letter invoice notification number," typically occurs in the context of invoice processing, particularly when dealing with credit memos or invoice corrections. This error indicates that a required field, specifically the invoice notification number, has not been filled in, which is necessary for the system to process the transaction correctly.
  Cause:
  
  Missing Field: The primary cause of this error is that the invoice notification number, which is often required for certain types of transactions (like credit memos), has not been entered in the relevant field.
  Configuration Issues: There may be configuration settings in the SAP system that require this field to be filled out for specific document types or processes.
  User Input Error: The user may have overlooked entering the required information or may not have the necessary data available at the time of entry.
  
  Solution:
  
  Enter the Required Information: Go back to the transaction where the error occurred and ensure that the invoice notification number is filled in. This number is usually provided in the context of the original invoice or notification.
  Check Document Flow: If you are unsure of the correct invoice notification number, check the document flow of the related transactions to find the appropriate number.
  Review Configuration: If this error occurs frequently, it may be worth reviewing the configuration settings in the SAP system to determine if the requirement for the invoice notification number can be adjusted based on your business processes.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the transaction you are working with, as there may be additional context or requirements that need to be considered.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes related to invoice processing, such as MIRO (Invoice Verification) or FB60 (Enter Incoming Invoice).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its system, and there may be specific notes addressing this error.
  User Training: Ensure that users involved in invoice processing are adequately trained on the importance of filling in all required fields to avoid such errors in the future.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more in-depth assistance.