How To Fix 34N402 - Constraint net "&1" loaded number: "&2"

SAP Error Message - Details

• Message type: E = Error

• Message class: 34N - Messages for AP Configuration Engine

• Message number: 402

• Message text: Constraint net "&1" loaded number: "&2"

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 34N402 - Constraint net "&1" loaded number: "&2" ?

  The SAP error message 34N402, which states "Constraint net '&1' loaded number: '&2'", typically relates to issues with constraint nets in the context of SAP's Advanced Planning and Optimization (APO) or similar modules. This error indicates that there is a problem with the loading of a constraint net, which is a part of the planning process that helps in managing constraints on resources, production, and other planning elements.
  Cause:
  
  Data Inconsistency: The constraint net may have inconsistencies in the data, such as missing or incorrect entries.
  Configuration Issues: There may be configuration issues in the planning area or the way the constraint net is set up.
  System Performance: If the system is under heavy load, it may not be able to process the constraint net correctly.
  Version Mismatch: There could be a mismatch between the versions of the planning area and the data being used.
  
  Solution:
  
  Check Data Consistency: Verify the data related to the constraint net. Ensure that all necessary entries are present and correct.
  Review Configuration: Check the configuration settings for the planning area and the constraint net. Make sure they are set up correctly according to the business requirements.
  System Performance: Monitor system performance and consider optimizing the system if it is under heavy load. This may involve checking for background jobs or other processes that could be affecting performance.
  Recreate Constraint Net: If the issue persists, consider recreating the constraint net. This can sometimes resolve underlying issues that are not immediately apparent.
  Consult Documentation: Refer to SAP documentation or notes related to this error message for any specific guidance or patches that may be available.
  Contact SAP Support: If the problem cannot be resolved internally, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP APO or the specific module you are working with, as they may help in diagnosing the issue.
  SAP Notes: Search for SAP Notes related to error message 34N402 in the SAP Support Portal, as there may be known issues or fixes available.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.