How To Fix M3815 - You cannot set the "Configurable material" indicator for this material

SAP Error Message - Details

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 815

• Message text: You cannot set the "Configurable material" indicator for this material

What causes this issue?

In the master record, you have flagged the material as a configurable
material, the material being assigned to a material type other than
"configurable material".
However, this indicator is not possible here since a configurable
material has already been assigned to the material in at least one
plant.

System Response

The system cancels your entry.

How to fix this error?

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 M3815 - You cannot set the "Configurable material" indicator for this material ?

  The SAP error message M3815, which states "You cannot set the 'Configurable material' indicator for this material," typically occurs when you attempt to mark a material as configurable in the material master data, but certain conditions or settings prevent this action.
  Cause:
  
  
  Material Type Restrictions: The material type of the material you are trying to configure may not allow for configurable materials. Only specific material types (like FERT for finished goods) can be set as configurable.
  
  
  Existing Configuration: If the material already has certain characteristics or settings that conflict with being marked as configurable, this error may occur.
  
  
  Status of the Material: The material may be in a status that does not allow changes, such as being locked or flagged for deletion.
  
  
  Missing Configuration Settings: The system may require certain configuration settings or prerequisites to be met before allowing a material to be marked as configurable.
  
  
  Solution:
  
  
  Check Material Type: Verify the material type of the material in question. If it is not a type that supports configurable materials, you will need to create a new material with an appropriate type.
  
  
  Review Material Status: Ensure that the material is not locked or flagged for deletion. If it is, you may need to unlock it or change its status.
  
  
  Check Existing Configurations: Review the existing characteristics and settings of the material. If there are conflicting settings, you may need to adjust them before marking the material as configurable.
  
  
  Consult Configuration Settings: Ensure that all necessary configuration settings in the system are correctly set up. This may involve checking the configuration in the IMG (Implementation Guide) under the relevant sections for material management.
  
  
  Use Transaction MM02: If you have the necessary authorizations, you can use transaction MM02 to attempt to change the material type or settings. Make sure to follow the correct steps and check for any warnings or errors during the process.
  
  
  Consult Documentation or Support: If you are still unable to resolve the issue, consult SAP documentation or reach out to your SAP support team for further assistance.
  
  
  Related Information:
  
  Material Master Data: Understanding the structure and types of material master data in SAP is crucial for managing materials effectively.
  Configurable Materials: Familiarize yourself with the concept of configurable materials in SAP, including how they are used in variant configuration scenarios.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling configurable materials.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.