How To Fix COWIPB526 - Lowest expansion level reached

SAP Error Message - Details

• Message type: E = Error

• Message class: COWIPB - Messages for WIP Batch

• Message number: 526

• Message text: Lowest expansion level reached

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message COWIPB526 - Lowest expansion level reached ?

  The SAP error message COWIPB526, which states "Lowest expansion level reached," typically occurs in the context of production planning and control, particularly when dealing with the bill of materials (BOM) or production orders. This error indicates that the system has reached the lowest level of a BOM structure during a planning or processing operation, and it cannot expand further.
  Cause:
  
  BOM Structure: The error often arises when the system is trying to explode a BOM that has a hierarchical structure, and it reaches a point where there are no further components to expand.
  Incorrect BOM Configuration: There may be issues with the configuration of the BOM, such as missing components or incorrect levels defined.
  Planning Parameters: The planning parameters or settings may not be correctly defined, leading to issues in how the system processes the BOM.
  Data Inconsistencies: There could be inconsistencies or errors in the master data related to materials, BOMs, or routing.
  
  Solution:
  
  Check BOM Structure: Review the BOM structure to ensure that it is correctly defined. Make sure that all components are properly assigned and that there are no missing levels.
  Validate Material Master Data: Ensure that the material master data for the components is complete and accurate. Check for any missing or incorrect information.
  Review Planning Parameters: Check the planning parameters in the configuration settings to ensure they are set up correctly for the type of planning you are performing.
  Use Transaction Codes: Utilize transaction codes like CS03 (Display BOM) or CS02 (Change BOM) to review and modify the BOM as necessary.
  Check for Errors in Logs: Look at the application logs or error logs to see if there are any additional details that can help identify the root cause of the issue.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to the error message and its context.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CS01 (Create BOM), CS02 (Change BOM), and CS03 (Display BOM) for managing BOMs.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide specific fixes or workarounds.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the COWIPB526 error in your SAP system.