How To Fix GG657 - No unit field has been defined for the field group 'Additional quantity'

SAP Error Message - Details

• Message type: E = Error

• Message class: GG - Messages for FI-SL customizing

• Message number: 657

• Message text: No unit field has been defined for the field group 'Additional quantity'

What causes this issue?

Period fields have been defined for additional quantities (ASLXX).
However, a unit field for the additional quantity must be included as a
value field in the table definition. This field must be called
'AUNIT'.

System Response

How to fix this error?

Define the value field 'AUNIT'.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GG657 - No unit field has been defined for the field group 'Additional quantity' ?

  The SAP error message GG657, which states "No unit field has been defined for the field group 'Additional quantity'," typically occurs in the context of material management or inventory management processes. This error indicates that the system is unable to find a unit of measure associated with the specified field group, which is necessary for processing additional quantities of materials.
  Cause:
  
  Missing Configuration: The unit of measure for the field group 'Additional quantity' has not been defined in the system configuration.
  Field Group Settings: The field group settings may not be properly configured in the relevant transaction or module.
  Data Entry Issues: There may be an issue with the data entry where the additional quantity is being processed without a corresponding unit of measure.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings in SAP (usually through SPRO).
  Navigate to the relevant area where the unit of measure is defined (e.g., Material Management settings).
  Ensure that the unit of measure for the 'Additional quantity' field group is defined and correctly set up.
  
  
  
  Define Unit of Measure:
  
  If the unit of measure is missing, you will need to define it. This can typically be done in the material master record or in the relevant configuration settings.
  Ensure that the unit of measure is consistent with the other units used in the system.
  
  
  
  Review Field Group Settings:
  
  Check the field group settings in the relevant transaction or module to ensure that the 'Additional quantity' field group is correctly configured to include a unit of measure.
  
  
  
  Data Entry Validation:
  
  If the error occurs during data entry, ensure that the user is entering a valid unit of measure when inputting additional quantities.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for specific guidance on configuring units of measure and field groups.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MM01 (Create Material), MM02 (Change Material), or MM03 (Display Material) to check or modify material master data.
  Unit of Measure Tables: Familiarize yourself with relevant tables such as T006 (Units of Measure) and T006A (Units of Measure: Language-dependent Texts) for further insights.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the relevant module.