How To Fix CX722 - Internal error - nested KMAT object &1 <> ROOT object &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CX - Nachrichten für Konfigurationsprozess

• Message number: 722

• Message text: Internal error - nested KMAT object &1 <> ROOT object &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CX722 - Internal error - nested KMAT object &1 <> ROOT object &2 ?

  The SAP error message CX722, which indicates an "Internal error - nested KMAT object &1 <> ROOT object &2," typically arises in the context of configurable materials (KMAT) in SAP. This error suggests that there is a mismatch between the nested configurable material and the root configurable material in a configuration scenario.
  Cause:
  
  Configuration Mismatch: The error usually occurs when there is an inconsistency in the configuration of a product. Specifically, it indicates that a nested KMAT (configurable material) is not correctly linked to its root KMAT.
  Incorrect BOM Structure: The Bill of Materials (BOM) structure may not be set up correctly, leading to a situation where the system cannot resolve the relationship between the nested and root KMAT objects.
  Master Data Issues: There may be issues with the master data setup for the configurable materials, such as incorrect dependencies or characteristics.
  
  Solution:
  
  Check Configuration: Review the configuration of the KMAT objects involved. Ensure that the nested KMAT is correctly assigned to the root KMAT and that all dependencies are properly defined.
  Review BOM and Routing: Check the BOM and routing for the root KMAT to ensure that all components, including nested KMATs, are correctly defined and linked.
  Validate Master Data: Ensure that the master data for both the root and nested KMATs is complete and accurate. This includes checking characteristics, values, and dependencies.
  Debugging: If the issue persists, consider using the SAP debugger to trace the execution and identify where the mismatch occurs. This may require technical expertise.
  SAP Notes: Check for any relevant SAP Notes or patches that may address this specific error. Sometimes, internal errors can be resolved through updates or fixes provided by SAP.
  
  Related Information:
  
  KMAT (Configurable Materials): These are materials in SAP that can be configured based on customer requirements. They often have complex BOMs and routing structures.
  Dependencies: Dependencies in SAP are rules that determine how characteristics and values interact in the configuration process. Ensure that these are correctly set up for both the root and nested KMATs.
  SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the CX722 error in your SAP system.