How To Fix MDG_BS_MAT_API012 - Number & not defined for material type &

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_BS_MAT_API - Message Class for Sydney Material API Layer

• Message number: 012

• Message text: Number & not defined for material type &

What causes this issue?

Every material type has a specific number range for internal number
assignment. The material number you have entered does not lie within the
number range for this material type.

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?

Choose a material number that lies within the number range of your
material type.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_BS_MAT_API012 - Number & not defined for material type & ?

  The SAP error message MDG_BS_MAT_API012 with the description "Number & not defined for material type &" typically occurs in the context of SAP Master Data Governance (MDG) when there is an issue with the material number assignment for a specific material type. This error indicates that the system is unable to find a valid number for the material type specified in the error message.
  Cause:
  
  Number Range Not Defined: The most common cause of this error is that the number range for the specified material type has not been defined or is not active in the system.
  Number Range Not Assigned: The material type may not have a number range assigned to it, or the assigned number range may not be valid.
  Number Range Status: The number range may be set to "not available" or "not active," preventing the system from generating a new material number.
  Configuration Issues: There may be configuration issues in the Material Master settings or in the MDG settings that lead to this error.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Number Range Configuration:
  
  Go to transaction code SNRO (Number Range Objects).
  Look for the number range object associated with the material type (usually MATERIAL).
  Check if the number range is defined and active.
  
  
  
  Define/Activate Number Range:
  
  If the number range is not defined, you will need to create a new number range for the material type.
  If it is defined but not active, you may need to activate it.
  
  
  
  Assign Number Range to Material Type:
  
  Go to transaction code OMS2 (Material Types).
  Select the material type that is causing the error and ensure that it has a valid number range assigned.
  
  
  
  Check for Authorization Issues:
  
  Ensure that the user has the necessary authorizations to create or modify materials in the specified material type.
  
  
  
  Test the Configuration:
  
  After making the necessary changes, test the creation of a new material to ensure that the error no longer occurs.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SNRO: Number Range Objects
  OMS2: Material Types
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on configuring number ranges and material types.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  
  By following these steps, you should be able to resolve the error and successfully create or manage materials in SAP MDG.