How To Fix G01566 - Source subitem may not be generic (please correct)

SAP Error Message - Details

• Message type: E = Error

• Message class: G01 - SAP Consolidation

• Message number: 566

• Message text: Source subitem may not be generic (please correct)

What causes this issue?

When defining a reclassification to third parties, the source subitem
can be generic (*) if either of the following applies:
If a generic source item allows the items of all specified sets to be
broken down by subitems of the same subitem category.
If a non-generic source item breaks down the items of the set which
belongs to the item by subitems.
This condition is not met with source item &V4& for the entry &V1& in
method &V2& and cons chart &V3&.

System Response

The method cannot be saved

How to fix this error?

For this reclassification rule enter a non-generic subitem.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message G01566 - Source subitem may not be generic (please correct) ?

  The SAP error message G01566, which states "Source subitem may not be generic (please correct)," typically occurs in the context of inventory management or material requirements planning (MRP) when dealing with source determination for purchasing or production processes. This error indicates that a source subitem (such as a vendor or a production resource) has been defined in a way that is too generic, which is not allowed in the specific context of the transaction you are trying to perform.
  Cause:
  
  Generic Source Subitem: The source subitem you are trying to use is defined as a generic entry, which means it does not point to a specific vendor or production resource.
  Configuration Issues: There may be issues in the configuration of the material master or the source list that allow for generic entries where specific ones are required.
  Data Entry Errors: Incorrect data entry when creating or maintaining the source list or material master records.
  
  Solution:
  
  Check Source List: Go to the source list for the material in question and ensure that the source subitem is not set as generic. You may need to specify a particular vendor or production resource.
  Material Master Data: Review the material master data to ensure that the purchasing and MRP views are correctly configured. Make sure that the relevant purchasing info records are not set to generic.
  Update Configuration: If the issue is due to configuration, you may need to adjust the settings in the customizing (SPRO) to ensure that source determination does not allow for generic entries where specific ones are required.
  Consult Documentation: Refer to SAP documentation or help files for more detailed guidance on the specific transaction you are working with, as the context can vary.
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like ME01 (Maintain Source List), ME11 (Create Purchasing Info Record), or ME12 (Change Purchasing Info Record) to manage source data.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  User Roles: Ensure that you have the appropriate permissions to make changes to the source list or material master data.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.