How To Fix CKTC027 - Internal error in the structure explosion

SAP Error Message - Details

• Message type: E = Error

• Message class: CKTC - Messages for Current Costing

• Message number: 027

• Message text: Internal error in the structure explosion

What causes this issue?

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Notify your system administration that there is a data inconsistency.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CKTC027 - Internal error in the structure explosion ?

  The SAP error message CKTC027, which indicates an "Internal error in the structure explosion," typically occurs during the process of material costing or when the system is trying to explode a bill of materials (BOM) for a product. This error can arise due to various reasons, including data inconsistencies, configuration issues, or problems with the material master or BOM.
  Causes:
  
  Data Inconsistencies: There may be inconsistencies in the BOM or material master data that prevent the system from processing the structure correctly.
  Configuration Issues: Incorrect settings in the costing variant or valuation area can lead to this error.
  Missing or Incorrect Master Data: Missing components in the BOM or incorrect master data for materials can trigger this error.
  System Bugs: Occasionally, this error can be caused by bugs in the SAP system or specific patches that have not been applied.
  
  Solutions:
  
  
  Check BOM and Material Master:
  
  Verify that the BOM is correctly defined and that all components are available and correctly configured.
  Ensure that the material master data is complete and accurate.
  
  
  
  Review Configuration Settings:
  
  Check the costing variant settings and ensure that they are correctly configured for the materials being processed.
  Review the valuation area settings to ensure they align with the requirements of the costing process.
  
  
  
  Analyze Logs and Traces:
  
  Use transaction codes like SLG1 (Application Log) to check for any additional error messages or logs that can provide more context about the issue.
  If necessary, enable debugging or trace functionality to gather more detailed information about the error.
  
  
  
  SAP Notes and Support:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates available that resolve known issues.
  If the problem persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  
  
  Testing in a Development Environment:
  
  If possible, replicate the issue in a development or test environment to analyze the problem without affecting production data.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CK11N (Create Cost Estimate), CK40N (Change Cost Estimate), and CS01 (Create BOM) to navigate through the costing and BOM processes.
  Documentation: Review SAP documentation related to costing and BOM management for best practices and troubleshooting tips.
  User Forums and Communities: Engage with SAP user communities or forums 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 CKTC027 error and implement a suitable solution.