How To Fix RSDS124 - The language field &1 in segment &2 is not type 'LANG'

RSDS124 - Overview

• Message type: E = Error

• Message class: RSDS - New DataSource

• Message number: 124

• Message text: The language field &1 in segment &2 is not type 'LANG'

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDS124 - The language field &1 in segment &2 is not type 'LANG' ?

  The SAP error message RSDS124 indicates that there is an issue with the language field in a specific segment of a DataSource. The error message states that the language field (denoted as &1) in the segment (denoted as &2) is not of the expected type 'LANG'. This typically occurs in the context of SAP BW (Business Warehouse) or when working with DataSources in SAP systems.
  
  Cause:
  
  Incorrect Field Definition: The field defined as the language field in the DataSource is not correctly set up to be of type 'LANG'. This could be due to a misconfiguration in the DataSource definition.
  DataSource Configuration: The DataSource may have been incorrectly configured, leading to a mismatch in expected data types.
  Data Extraction Issues: If the DataSource is extracting data from a source system, the source system may not be providing the language field in the expected format.
  
  
  Solution:
  
  
  Check DataSource Definition:
  
  Go to the DataSource in the SAP BW system