How To Fix 50166 - Specify a valid function code (&2 does not exist)

50166 - Overview

• Message type: E = Error

• Message class: 50 - Messages in Package EEOB

• Message number: 166

• Message text: Specify a valid function code (&2 does not exist)

What causes this issue?

You have entered the function code '&V2&'. However, this code is not
defined in action group '&V1&'.

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?

Enter a function code that is defined in the action group '&V2&'.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 50166 - Specify a valid function code (&2 does not exist) ?

  The SAP error message 50166, which states "Specify a valid function code (&2 does not exist)," typically occurs when a function code that is being referenced in a transaction or program does not exist or is not recognized by the system. This can happen for various reasons, including configuration issues, missing authorizations, or incorrect coding in custom programs.
  Causes:
  
  Invalid Function Code: The function code specified in the transaction or program does not exist in the system.
  Authorization Issues: The user may not have the necessary authorizations to execute the function code.
  Custom Development: If the error arises from a custom program or enhancement, it may be due to incorrect coding or missing function modules.
  Transport Issues: If the function code was recently transported from another system, it may not have been properly imported or activated.
  Configuration Errors: There may be issues in the configuration settings that lead to the function code not being recognized.
  
  Solutions:
  
  Check Function