How To Fix 28702 - Not a constraint net: &V1&

SAP Error Message - Details

• Message type: E = Error

• Message class: 28 - Configuration

• Message number: 702

• Message text: Not a constraint net: &V1&

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 28702 - Not a constraint net: &V1& ?

  The SAP error message 28702, "Not a constraint net: &V1&," typically occurs in the context of SAP's Advanced Planning and Optimization (APO) or similar planning applications. This error indicates that the system is unable to process a certain planning object or data structure because it does not meet the requirements for a constraint net.
  Cause:
  
  Data Structure Issues: The error often arises when the data structure being processed is not correctly defined as a constraint net. This can happen if the planning object is missing necessary relationships or constraints.
  Configuration Problems: Incorrect configuration settings in the planning area or master data can lead to this error.
  Inconsistent Data: If there are inconsistencies in the data being used (e.g., missing or incorrect master data), the system may not be able to recognize the constraint net.
  Versioning Issues: Sometimes, the error can occur due to versioning problems, where the system is trying to access an outdated or incompatible version of the planning object.
  
  Solution:
  
  Check Data Structure: Review the planning object and ensure that it is correctly defined as a constraint net. Verify that all necessary relationships and constraints are in place.
  Review Configuration: Check the configuration settings in the planning area. Ensure that all settings are correctly defined and aligned with the requirements of the planning process.
  Validate Master Data: Ensure that all relevant master data is complete and consistent. This includes checking for missing or incorrect entries that could affect the planning process.
  Recreate the Planning Object: If the issue persists, consider recreating the planning object or the constraint net to ensure that it is correctly defined.
  Consult Documentation: Refer to SAP documentation or notes related to this error message for specific guidance and troubleshooting steps.
  Contact SAP Support: If the problem cannot be resolved internally, consider reaching out to SAP support for assistance, providing them with detailed information about the error and the context in which it occurred.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP APO or the specific module you are working with, as they may provide tools for analyzing and resolving the issue.
  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 root cause of the error and implement a suitable solution.