How To Fix M3389 - Material & already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 389

• Message text: Material & already exists

What causes this issue?

You wanted to create a new material master record, taking the material
number as a reserved material number from a different application (for
example, CAD).

System Response

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

How to fix this error?

The material master record does not need to be created because it
exists already.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M3389 - Material & already exists ?

  The SAP error message M3389, which states "Material & already exists," typically occurs when you attempt to create a new material master record in SAP, but the material number you are trying to use is already assigned to an existing material. This can happen in various scenarios, such as during the creation of a material in the Material Master (MM01 transaction) or when trying to upload materials via a data upload tool.
  Cause:
  
  Duplicate Material Number: The most common cause is that the material number you are trying to create already exists in the system.
  Incorrect Number Range: If the number range for material numbers is not set up correctly, it may lead to conflicts.
  Data Upload Issues: If you are using a data upload tool (like LSMW or BAPIs) and the data being uploaded contains a material number that already exists, this error will occur.
  
  Solution:
  
  
  Check Existing Materials: 
  
  Use transaction code MM03 to check if the material number already exists in the system. If it does, you may need to use that existing material instead of creating a new one.
  
  
  
  Use a Different Material Number: 
  
  If you need to create a new material, choose a different material number that does not conflict with existing ones.
  
  
  
  Review Number Ranges: 
  
  Check the number range settings for materials in transaction code OMH1 (for internal number ranges) or OMH2 (for external number ranges) to ensure that the range is correctly defined and does not overlap with existing materials.
  
  
  
  Data Upload Validation: 
  
  If you are uploading data, ensure that the data being uploaded does not contain duplicate material numbers. You may need to clean your data before the upload.
  
  
  
  Consult with SAP Basis or Functional Team: 
  
  If you are unsure about the existing materials or number ranges, consult with your SAP Basis or functional team for assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  OMH1/OMH2: Number Range Maintenance for Material Master
  
  
  
  SAP Notes: Check SAP Notes for any specific issues related to this error message, as there may be updates or patches that address similar problems.
  
  
  Documentation: Review SAP documentation on Material Master data management for best practices and guidelines on creating and managing materials.
  
  
  By following these steps, you should be able to resolve the M3389 error and successfully manage your material records in SAP.