How To Fix WS439 - The last possible date for payment in the first condition is the &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 439

• Message text: The last possible date for payment in the first condition is the &1

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message WS439 - The last possible date for payment in the first condition is the &1 ?

  Certainly! Here's detailed information about the SAP error message WS439:
  
  SAP Error Message: WS439
  Text:
  
  The last possible date for payment in the first condition is the &1
  
  Cause:
  This error occurs during the processing of payment terms in SAP, specifically when defining or using payment terms conditions. The message indicates that the system has identified a problem with the "last possible date for payment" in the first condition of the payment terms.
  More specifically:
  
  The payment terms condition includes a "last possible date for payment" (also called the "due date" or "baseline date plus days").
  The date calculated or entered is invalid, inconsistent, or does not comply with the expected logic.
  This can happen if the payment terms are incorrectly configured, or if the date calculation results in a date that is not possible (e.g., a date before the baseline date, or a date that conflicts with other conditions).
  
  
  When does it occur?
  
  During invoice processing or payment proposal runs.
  When defining or changing payment terms in transaction codes like OBB8 (Define Payment Terms).
  When the system tries to calculate the due date for payment but finds an inconsistency.
  
  
  Solution:
  
  
  Check Payment Terms Configuration:
  
  Go to transaction OBB8.
  Review the payment terms condition records.
  Verify the "last possible date for payment" or "due date" settings.
  Ensure that the days or percentage values are correctly entered and logically consistent.
  
  
  
  Correct the Date Calculation Logic:
  
  Payment terms usually have parameters like:
  
  Baseline date + X days = due date
  Discount date = baseline date + Y days
  
  
  Make sure that the last possible payment date is not earlier than the baseline date or discount date.
  Adjust the days or percentages accordingly.
  
  
  
  Check for Customizing or User Exits:
  
  If there are user exits or custom logic affecting payment terms or date calculations, verify that they are not causing invalid dates.
  
  
  
  Test with Different Payment Terms:
  
  Try using standard payment terms to see if the error persists.
  If standard terms work, the issue is with the custom payment terms.
  
  
  
  Check Document Dates:
  
  Sometimes the document date or baseline date in the invoice or payment document might be incorrect or inconsistent.
  Verify the dates in the document triggering the error.
  
  
  
  
  Additional Information:
  
  Message Class: WS (Payment Terms)
  Message Number: 439
  This message is informational but indicates a configuration or data issue that must be resolved to proceed with payment processing.
  Payment terms are critical for cash management, discount calculation, and due date determination.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Error Message
  WS439 - The last possible date for payment in the first condition is the &1
  
  
  Cause
  Invalid or inconsistent last possible payment date in payment terms configuration
  
  
  Solution
  Review and correct payment terms in OBB8; ensure date calculations are logical and valid
  
  
  Related Transactions
  OBB8 (Define Payment Terms), FB60/FB70 (Invoice Entry), F110 (Payment Run)
  
  
  Notes
  Check document dates and custom logic affecting payment terms
  
  
  
  
  If you need help with a specific scenario or transaction where this error occurs, please provide more details!