How To Fix WXP373 - Material &1 already exists in master data

SAP Error Message - Details

• Message type: E = Error

• Message class: WXP - Retail Planning

• Message number: 373

• Message text: Material &1 already exists in master data

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WXP373 - Material &1 already exists in master data ?

  SAP Error Message:
  
  WXP373: Material &1 already exists in master data
  
  Cause:
  This warning message occurs when you try to create a material master record with a material number that already exists in the system. In SAP, material numbers must be unique within the client. If you attempt to create a material with a number that is already assigned to another material, the system issues this warning to prevent duplication.
  
  Explanation:
  
  The placeholder &1 in the message will be replaced by the material number you tried to create.
  The system checks the material master data tables (e.g., MARA) and finds that the material number is already present.
  This can happen if:
  
  You are manually entering a material number that is already used.
  You are using a number range that overlaps with existing materials.
  There is a misunderstanding about the material numbering convention or number range intervals.
  
  
  
  
  Solution:
  
  
  Check if the material already exists:
  
  Use transaction MM03 (Display Material) and enter the material number to verify if it exists.
  If it exists, you may want to use or modify the existing material instead of creating a new one.
  
  
  
  Use a different material number:
  
  If you need a new material, choose a unique material number that is not already in use.
  Check the number ranges assigned to the material type in transaction MMNR or SNRO to ensure you are using the correct number range interval.
  
  
  
  Automatic number assignment:
  
  If your system is configured for automatic material number assignment, let SAP assign the number instead of entering it manually.
  This avoids conflicts and duplicates.
  
  
  
  Check for data inconsistencies:
  
  In rare cases, inconsistencies or data corruption might cause the system to incorrectly detect duplicates.
  Run consistency checks or consult your SAP Basis/Support team if you suspect this.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MM01 – Create Material
  MM03 – Display Material
  MMNR – Number Range Maintenance for Material Master
  SNRO – Number Range Objects
  
  
  
  Tables:
  
  MARA – General Material Data
  MAKT – Material Descriptions
  
  
  
  Notes:
  
  Always ensure material numbers are unique within the client.
  Follow your organization's material numbering conventions and guidelines.
  If you are integrating with external systems, ensure material numbers are synchronized to avoid duplicates.
  
  
  
  
  If you continue to face issues despite using unique numbers, consider checking for user exits or custom code that might interfere with material creation.