How To Fix CX720 - Internal error: Nested KMAT entry PARENT &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CX - Nachrichten für Konfigurationsprozess

• Message number: 720

• Message text: Internal error: Nested KMAT entry PARENT &1 does not exist

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CX720 - Internal error: Nested KMAT entry PARENT &1 does not exist ?

  The SAP error message CX720 indicates an internal error related to a nested configuration of a KMAT (Configurable Material) in the SAP system. This error typically arises when the system is unable to find a parent configuration for a KMAT entry that is expected to exist. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Missing Parent KMAT: The error suggests that the system is trying to access a nested KMAT configuration, but the parent KMAT does not exist in the system. This can happen if the parent material was deleted or not created properly.
  Incorrect Configuration: There may be an issue with how the KMATs are configured in the system, such as incorrect dependencies or missing entries in the configuration.
  Data Inconsistency: There could be inconsistencies in the master data or configuration data that lead to the system being unable to resolve the parent-child relationship.
  Transport Issues: If the KMAT configuration was transported from one system to another (e.g., from development to production), there may have been issues during the transport process that resulted in missing data.
  
  Solution:
  
  Check Parent KMAT: Verify that the parent KMAT exists in the system. You can do this by checking the material master data for the parent KMAT.
  Review Configuration: Go through the configuration settings for the KMATs involved. Ensure that the dependencies and relationships are correctly defined.
  Recreate Missing Entries: If the parent KMAT is missing, you may need to recreate it or restore it from a backup if it was deleted.
  Check Transport Logs: If the issue arose after a transport, check the transport logs for any errors or warnings that might indicate what went wrong during the transport.
  Debugging: If you have access to debugging tools, you can analyze the program flow to identify where the error is occurring and why the parent KMAT is not being found.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide patches or updates that could resolve the issue.
  
  Related Information:
  
  KMAT (Configurable Material): KMATs are materials in SAP that can be configured based on customer requirements. They often have a hierarchical structure with parent and child relationships.
  Material Master Data: Ensure that all relevant material master data is correctly maintained in the system.
  Dependencies and Characteristics: Review the characteristics and dependencies associated with the KMATs to ensure they are set up correctly.
  SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance, especially if it appears to be a bug or a deeper system issue.
  
  By following these steps, you should be able to identify and resolve the CX720 error in your SAP system.