How To Fix KK734 - Error when reading &1 &2 explosion level: &3

SAP Error Message - Details

• Message type: E = Error

• Message class: KK -

• Message number: 734

• Message text: Error when reading &1 &2 explosion level: &3

What causes this issue?

An internal error occurred

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KK734 - Error when reading &1 &2 explosion level: &3 ?

  The SAP error message KK734 typically occurs in the context of Product Costing, particularly when dealing with cost estimates and the explosion of cost components in a bill of materials (BOM). The error message indicates that there is an issue with reading the specified explosion level of a BOM or a related structure.
  Cause:
  The error message KK734 can be caused by several factors, including:
  
  Missing BOM: The BOM for the material may not exist or may not be properly maintained in the system.
  Incorrect Explosion Level: The specified explosion level may not be valid or may not correspond to any existing components in the BOM.
  Data Inconsistencies: There may be inconsistencies in the master data, such as missing or incorrect material master records.
  Authorization Issues: The user may not have the necessary authorizations to access the BOM or related data.
  Configuration Issues: There may be configuration issues in the costing variant or in the settings related to the costing process.
  
  Solution:
  To resolve the KK734 error, you can take the following steps:
  
  
  Check BOM Existence: Verify that the BOM for the material in question exists and is correctly maintained. You can do this using transaction code CS03 (Display BOM).
  
  
  Validate Explosion Level: Ensure that the explosion level specified in the error message is valid and corresponds to the structure of the BOM.
  
  
  Review Material Master Data: Check the material master data for any inconsistencies or missing information. Use transaction code MM03 to display the material master.
  
  
  Check Authorizations: Ensure that the user has the necessary authorizations to access the BOM and perform the costing activities.
  
  
  Review Costing Variant Configuration: Check the configuration of the costing variant being used to ensure that it is set up correctly for the type of costing you are performing.
  
  
  Debugging: If the issue persists, consider debugging the program or transaction that is generating the error to identify the root cause.
  
  
  Consult SAP Notes: Look for any relevant SAP Notes that may address this specific error message or provide additional guidance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CS03 (Display BOM), MM03 (Display Material), CK11N (Create Cost Estimate), and CK40N (Mass Cost Estimate).
  SAP Documentation: Refer to SAP Help documentation for Product Costing and BOM management for more detailed information on how to manage and troubleshoot these components.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the KK734 error message in SAP.