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

GG657 - Overview

• 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.

GG657 - Details

• 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