How To Fix /SMB/TASK004 - Illegal call: Language key is initial

SAP Error Message - Details

• Message type: E = Error

• Message class: /SMB/TASK -

• Message number: 004

• Message text: Illegal call: Language key is initial

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SMB/TASK004 - Illegal call: Language key is initial ?

  The SAP error message /SMB/TASK004 Illegal call: Language key is initial typically indicates that a function or method is being called without a valid language key. This can occur in various scenarios, particularly when dealing with language-dependent data or when the system expects a specific language setting.
  
  Cause:
  
  Missing Language Key: The error usually arises when the language key parameter is not provided or is set to an initial (empty) value.
  
  Configuration Issues: There may be issues in the configuration of the system or the specific transaction you are trying to execute.
  Custom Code: If there is custom code involved, it may not be handling language keys correctly.
  User Profile Settings: The user profile may not have a default language set, leading to the absence of a language key.
  
  
  Solution:
  
  
  Check Language Settings:
  
  Ensure that the user profile has a default language set. You can check this in the user settings (transaction SU01).
  Make sure that the language key