How To Fix QS788 - Language & must not be changed

QS788 - Overview

• Message type: E = Error

• Message class: QS - QM: Master data

• Message number: 788

• Message text: Language & must not be changed

What causes this issue?

Because texts are already available in a previous language, you cannot
change the language.

System Response

How to fix this error?

A new language can be entered if you first reset the previous language
and delete the related texts.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message QS788 - Language & must not be changed ?

  The SAP error message QS788 ("Language & must not be changed") typically occurs when there is an attempt to change the language of a material or a document that is not allowed to be modified in that way. This error is often encountered in the context of Quality Management (QM) or Material Management (MM) modules when dealing with master data or documents that have language-specific attributes.
  
  Cause:
  
  Language Restriction: The system is designed to prevent changes to certain fields or attributes that are language-dependent. This is to maintain data integrity and consistency across different language versions of the data.
  Data Consistency: Changing the language of certain records may lead to inconsistencies, especially if the data has already been translated or if it is linked to other records.
  Configuration Settings: The system configuration may restrict changes to language fields for specific document types or material types.
  
  
  Solution:
  
  Check Configuration: Review the configuration settings in the SAP system