How To Fix CN290 - You cannot transfer a bill of material with sub-items

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 290

• Message text: You cannot transfer a bill of material with sub-items

What causes this issue?

The bill of material which you have selected contains sub-items which
are not valid for network processing.
In this situation, you cannot perform a single-level BOM explosion.

System Response

INCLUDE 'NA_ALLG_NOFUNKTION' OBJECT DOKU ID TX

How to fix this error?

Check your entry, and select a different bill of material, if necessary.
oder legen Sie fnr das Material eine entsprechende Stnckliste an.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN290 - You cannot transfer a bill of material with sub-items ?

  The SAP error message CN290, which states "You cannot transfer a bill of material with sub-items," typically occurs when you are trying to transfer a Bill of Material (BOM) that contains sub-items or components that are not allowed in the context of the operation you are performing. This error is often encountered in the context of production planning or when working with BOMs in SAP.
  Cause:
  
  Sub-items in BOM: The BOM you are trying to transfer includes sub-items or components that are not compatible with the transfer process. In SAP, certain operations may not support BOMs with sub-items.
  Configuration Issues: There may be configuration settings in the system that restrict the transfer of BOMs with sub-items.
  Data Integrity: The BOM data may not be correctly set up, leading to inconsistencies that trigger this error.
  
  Solution:
  
  Check BOM Structure: Review the BOM structure to ensure that it does not contain any sub-items. If it does, consider restructuring the BOM to remove sub-items or convert them into main items if applicable.
  Use Standard BOMs: Ensure that you are using standard BOMs that do not include sub-items. If you need to include sub-items, consider creating separate BOMs for those components.
  Review Configuration: Check the configuration settings in the SAP system related to BOM transfers. Ensure that the settings allow for the transfer of BOMs without sub-items.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on BOM transfers and the limitations regarding sub-items.
  Error Logs: Check the error logs for additional details that may provide insight into why the error is occurring. This can help in diagnosing the issue more effectively.
  SAP Notes: Look for relevant SAP Notes that may address this specific error or provide patches or updates that could resolve the issue.
  
  Related Information:
  
  BOM Types: Familiarize yourself with different types of BOMs in SAP (e.g., single-level, multi-level) and their characteristics.
  Transaction Codes: Common transaction codes related to BOM management include CS01 (Create BOM), CS02 (Change BOM), and CS03 (Display BOM).
  SAP Community: Engage with the SAP Community or forums to see if other users have encountered similar issues and what solutions they have found.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to resolve the CN290 error and successfully transfer your BOM without sub-items.