How To Fix M2108 - Entry missing in table TMC6 for unit &

SAP Error Message - Details

• Message type: E = Error

• Message class: M2 - LIS: Generating and updating info structures

• Message number: 108

• Message text: Entry missing in table TMC6 for unit &

What causes this issue?

The system attempts to determine the unit of the source field for field
&V2&. The data element &V1& was defined as part of this process.
The system now searches table TMC6 for this data element in order to
define the two-character units ID. However, no appropriate entry could
be found.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M2108 - Entry missing in table TMC6 for unit & ?

  The SAP error message M2108, which states "Entry missing in table TMC6 for unit &," typically occurs in the context of material management and inventory management processes. This error indicates that the system is unable to find a corresponding entry in the TMC6 table for the specified unit of measure (UoM).
  Cause:
  
  Missing Unit of Measure Configuration: The most common cause of this error is that the unit of measure you are trying to use is not defined in the TMC6 table. This table is used to store information about units of measure and their conversions.
  Incorrect Material Master Data: The material master data may reference a unit of measure that is not properly configured or does not exist in the system.
  Custom Development or Modifications: If there have been custom developments or modifications to the SAP system, they may have inadvertently affected the unit of measure configurations.
  
  Solution:
  
  
  Check Unit of Measure Configuration:
  
  Go to transaction code OMN3 (or use the menu path: Logistics > Material Management > Basic Settings > Units of Measure > Define Units of Measure).
  Verify if the unit of measure in question is defined in the system. If it is missing, you will need to create it.
  
  
  
  Maintain TMC6 Table:
  
  If you have access, you can directly check the TMC6 table using transaction code SE16N or SE11.
  Look for the specific unit of measure that is causing the error. If it is not present, you may need to add it.
  
  
  
  Review Material Master Data:
  
  Use transaction code MM03 to display the material master data for the affected material.
  Check the units of measure assigned to the material and ensure they are valid and correctly configured.
  
  
  
  Consult with SAP Basis or Functional Team:
  
  If you are unable to resolve the issue, it may be necessary to consult with your SAP Basis or functional team for further investigation. They can help check for any inconsistencies in the configuration or data.
  
  
  
  Transport Requests:
  
  If the issue arose after a transport, ensure that all necessary transport requests have been properly imported and that no objects were missed.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for M2108 in the SAP Support Portal.
  Documentation: Review SAP documentation related to unit of measure configuration and material master data management for best practices.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify and resolve the cause of the M2108 error in your SAP system.