How To Fix T1045 - Enter first due date

SAP Error Message - Details

• Message type: E = Error

• Message class: T1 - Financial instruments

• Message number: 045

• Message text: Enter first due date

What causes this issue?

The first due date is a required entry field.

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message T1045 - Enter first due date ?

  The SAP error message T1045 "Enter first due date" typically occurs in the context of financial transactions, particularly when dealing with payment terms or scheduling payments in the system. This error indicates that the system requires a first due date to be specified for a transaction, such as an invoice or a payment.
  Cause:
  
  Missing Due Date: The most common cause of this error is that the first due date has not been entered in the relevant field. This can happen if the user is trying to create or modify a payment term or invoice without specifying the due date.
  Configuration Issues: There may be issues with the configuration of payment terms in the system, which could lead to the requirement for a due date not being met.
  Data Entry Errors: Users may inadvertently skip the due date field while entering data.
  
  Solution:
  
  Enter the First Due Date: The immediate solution is to go back to the transaction where the error occurred and enter the first due date in the appropriate field. Ensure that the date is valid and follows the expected format.
  Check Payment Terms: If the error persists, check the payment terms configuration in the system. Ensure that the payment terms are set up correctly and that they include a first due date.
  Review User Input: Ensure that all required fields are filled out correctly. Sometimes, other related fields may also need to be completed for the transaction to be processed.
  Consult Documentation: If you are unsure about the required fields or how to enter the due date, refer to SAP documentation or user manuals for guidance on the specific transaction you are working with.
  Contact Support: If the issue cannot be resolved through the above steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the relevant transaction codes that may be involved in the process, such as FB60 (Enter Incoming Invoice) or F-53 (Post Outgoing Payments).
  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 are trained on the importance of entering all required fields, including due dates, to avoid similar errors in the future.
  
  By following these steps, you should be able to resolve the T1045 error and successfully complete your transaction in SAP.