How To Fix UMG148 - Table field has not the data type LANG (&1).

SAP Error Message - Details

• Message type: E = Error

• Message class: UMG - Message Class for the Unicode Migration Tool.

• Message number: 148

• Message text: Table field has not the data type LANG (&1).

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UMG148 - Table field has not the data type LANG (&1). ?

  The SAP error message UMG148 indicates that a specific table field is expected to have the data type LANG, which is used for language keys in SAP. This error typically arises when there is a mismatch between the expected data type and the actual data type defined in the database table or structure.
  Cause:
  
  Data Type Mismatch: The field in question is expected to be of type LANG (which is usually a 2-character field representing the language key, e.g., 'EN' for English, 'DE' for German), but it has been defined with a different data type.
  Custom Development: If there has been custom development or modifications to standard SAP objects, it is possible that the field was incorrectly defined.
  Table Structure Changes: Changes to the table structure that did not adhere to the expected data types can also lead to this error.
  
  Solution:
  
  
  Check Field Definition: Verify the field definition in the relevant table or structure. Ensure that the field is defined with the data type LANG (CHAR2).
  
  You can do this by using transaction SE11 (Data Dictionary) to check the table or structure definition.
  
  
  
  Modify Field Data Type: If the field is incorrectly defined, you may need to change its data type to LANG. This typically requires:
  
  Access to the Data Dictionary (SE11).
  Appropriate authorizations to make changes.
  Testing the changes in a development environment before transporting them to production.
  
  
  
  Review Custom Code: If the error is occurring in custom code, review the code to ensure that it is correctly handling the field as a language key. This may involve checking the data types in ABAP programs or function modules.
  
  
  Transport Changes: If changes are made in a development environment, ensure that they are properly transported to the quality assurance and production environments.
  
  
  Consult Documentation: If you are unsure about making changes, consult SAP documentation or reach out to SAP support for guidance.
  
  
  Related Information:
  
  Data Type LANG: In SAP, the LANG data type is defined as a character field of length 2. It is used to store language keys.
  Transaction Codes: 
  
  SE11: Data Dictionary for checking and modifying table definitions.
  SE80: Object Navigator for reviewing related programs and objects.
  
  
  Testing: After making changes, ensure to test the functionality thoroughly to confirm that the error is resolved and that there are no side effects.
  
  If you continue to experience issues after following these steps, consider reaching out to your SAP Basis or ABAP development team for further assistance.