How To Fix BL101 - Message &1 is not defined in language &3 and work area &2.

BL101 - Overview

• Message type: E = Error

• Message class: BL - Application Log

• Message number: 101

• Message text: Message &1 is not defined in language &3 and work area &2.

What causes this issue?

Put message in table T100 with <TA:SE80>Create message</>.

System Response

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

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

BL101 - Details

• The SAP error message BL101 indicates that a specific message (identified by &1) is not defined in the specified language (&3) and work area (&2). This error typically arises when the system is trying to display a message that has not been properly configured or translated for the selected language or context.
  
  Cause:
  
  Missing Message Definition: The message you are trying to access has not been defined in the SAP system for the specified language.
  Language Settings: The user’s language settings may not match the available messages in the system.
  Work Area Configuration: The work area (or module) may not have the necessary messages defined for the selected language.
  
  
  Solution:
  
  
  Check Message Definition:
  
  Use transaction code SE91 to check if the message number (represented by &1) is defined in the system.
  If it is not defined, you may need to create or modify the message using SE91 or SE80.
  
  
  
  Add Language Support:
  
  If the message exists but is not available