How To Fix CX707 - Internal error - nested KMAT hierarchy SELF = &1 PARENT = &2 ROOT = &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CX - Nachrichten für Konfigurationsprozess

• Message number: 707

• Message text: Internal error - nested KMAT hierarchy SELF = &1 PARENT = &2 ROOT = &3

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 CX707 - Internal error - nested KMAT hierarchy SELF = &1 PARENT = &2 ROOT = &3 ?

  The SAP error message CX707 indicates an internal error related to a nested configuration of KMAT (Configurable Material) in the SAP system. This error typically arises when there is an issue with the configuration hierarchy of KMAT materials, specifically when the system encounters a circular reference or an inconsistency in the parent-child relationships of the KMAT materials.
  Cause:
  
  Circular Reference: The error often occurs when there is a circular reference in the KMAT hierarchy, meaning that a KMAT material is set as its own parent or there is a loop in the hierarchy.
  Incorrect Configuration: There may be incorrect settings in the configuration of the KMAT materials, such as improper assignment of parent-child relationships.
  Data Integrity Issues: There could be data integrity issues in the database that lead to inconsistencies in the KMAT hierarchy.
  
  Solution:
  
  Check KMAT Hierarchy: Review the configuration of the KMAT materials involved in the error. Ensure that there are no circular references and that the parent-child relationships are correctly defined.
  Use Transaction Codes: Utilize transaction codes like CS03 (Display Material BOM) or CU50 (Configuration Profile) to analyze the configuration and hierarchy of the KMAT materials.
  Correct Configuration: If you identify any incorrect configurations, correct them by adjusting the parent-child relationships or removing any circular references.
  Data Consistency Check: Run consistency checks on the KMAT materials to ensure that there are no data integrity issues. This can often be done through standard SAP tools or reports.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance on resolving it.
  
  Related Information:
  
  KMAT Materials: KMAT (Configurable Materials) are used in SAP to manage products that can be configured based on customer requirements. They have a hierarchical structure that defines how components are related.
  SAP Support: If the issue persists after checking the hierarchy and configurations, consider reaching out to SAP Support for further assistance. Provide them with the error details and any steps you have already taken to troubleshoot the issue.
  Documentation: Review SAP documentation related to KMAT configuration and hierarchy management for best practices and guidelines.
  
  By following these steps, you should be able to identify and resolve the CX707 error in your SAP system.