How To Fix DT199 - Exactly one field & of type LANG: Selection as text language possible

SAP Error Message - Details

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 199

• Message text: Exactly one field & of type LANG: Selection as text language possible

INCLUDE DT195 OBJECT DOKU ID NA

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT199 - Exactly one field & of type LANG: Selection as text language possible ?

  The SAP error message DT199, which states "Exactly one field & of type LANG: Selection as text language possible," typically occurs when a selection screen or report is expecting a single language field to be specified, but either none or multiple language fields have been provided.
  Cause:
  
  Multiple Language Fields: The selection screen may have multiple fields defined for language input, but the system expects only one.
  No Language Field Provided: The user may not have provided any input for the language field when it is required.
  Incorrect Field Definition: The field defined in the selection screen may not be correctly set up as a language type field.
  
  Solution:
  
  Check Selection Screen: Review the selection screen definition in the ABAP program. Ensure that only one field of type LANG is defined for language selection.
  Provide a Language: If the program requires a language input, ensure that you provide a valid language code (e.g., 'EN' for English, 'DE' for German) in the designated field.
  Modify the Program: If you have access to the ABAP code, you may need to modify the selection screen to ensure that it only allows one language field. This can be done by removing any additional language fields or ensuring that the existing field is correctly defined.
  Check for Custom Enhancements: If there are any custom enhancements or modifications in the program, review them to ensure they are not causing the issue.
  
  Related Information:
  
  Language Codes: SAP uses specific codes for languages (e.g., 'EN' for English, 'FR' for French). Make sure you are using the correct codes.
  Field Type LANG: In ABAP, the field type LANG is used to define language fields. Ensure that the field is declared correctly in the program.
  SAP Documentation: Refer to SAP's official documentation or help resources for more information on selection screens and language handling in ABAP.
  
  If the issue persists after checking these points, it may be helpful to consult with a developer or SAP support for further assistance.