How To Fix /INCMD/MSG309 - Product &1 of subgroup &2 already present in subgroup &3

SAP Error Message - Details

• Message type: E = Error

• Message class: /INCMD/MSG -

• Message number: 309

• Message text: Product &1 of subgroup &2 already present in subgroup &3

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /INCMD/MSG309 - Product &1 of subgroup &2 already present in subgroup &3 ?

  The SAP error message /INCMD/MSG309 indicates that a product (identified by &1) belonging to a specific subgroup (identified by &2) is already present in another subgroup (identified by &3). This error typically arises in the context of product management, particularly when dealing with product hierarchies or classifications in SAP.
  
  Cause:
  The error is caused by an attempt to assign a product to a subgroup where it is already assigned to another subgroup. This can happen due to:
  
  Duplicate Assignment: The product is already linked to a subgroup, and the system does not allow it to be assigned to multiple subgroups simultaneously.
  Data Integrity Rules: SAP enforces data integrity rules to prevent inconsistencies in product classifications.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Current Assignments:
  
  Use transaction codes like MM03 (Display Material) or CT04 (Display Class) to check the current subgroup assignments for the product.
  Verify which subgroup the product is currently assigned to.
  
  
  
  Modify Assignments:
  
  If