How To Fix VW399 - See log for planning proposal

SAP Error Message - Details

• Message type: E = Error

• Message class: VW - Shipment Processing Output

• Message number: 399

• Message text: See log for planning proposal

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 VW399 - See log for planning proposal ?

  The SAP error message VW399 ("See log for planning proposal") typically occurs in the context of SAP's Advanced Planning and Optimization (APO) or similar planning modules. This message indicates that there is an issue with the planning proposal that needs to be addressed. Here are some common causes, potential solutions, and related information:
  Causes:
  
  Data Inconsistencies: There may be inconsistencies in the master data or transaction data that the planning proposal is based on.
  Configuration Issues: Incorrect configuration settings in the planning area or planning book can lead to errors in generating proposals.
  Resource Constraints: If there are constraints on resources (like capacity or availability), the planning proposal may not be feasible.
  Missing Parameters: Required parameters for the planning run may be missing or incorrectly set.
  Planning Version Issues: The planning version being used may not be correctly set up or may not have the necessary data.
  
  Solutions:
  
  Check the Log: The first step is to check the detailed log associated with the planning proposal. This log will provide specific error messages or warnings that can help identify the root cause.
  Review Master Data: Ensure that all relevant master data (like material master, BOM, routing, etc.) is correctly maintained and consistent.
  Validate Configuration: Review the configuration settings in the planning area and planning book to ensure they are set up correctly.
  Adjust Resource Settings: If resource constraints are causing the issue, consider adjusting the settings or capacity planning to accommodate the proposals.
  Set Parameters: Ensure that all necessary parameters for the planning run are correctly set and that the planning version is active and contains the required data.
  Run Planning in Background: Sometimes running the planning in the background can help avoid issues related to system performance or timeouts.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/SDP94 (for planning book) or /SAPAPO/MC90 (for planning area) to access planning-related functionalities.
  SAP Notes: Check SAP Notes for any known issues or patches related to the VW399 error message.
  Documentation: Refer to SAP documentation for Advanced Planning and Optimization for detailed guidance on configuration and troubleshooting.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the VW399 error effectively.