How To Fix 5U420 - Language key/Period modifier & & combination has not been defined

SAP Error Message - Details

• Message type: E = Error

• Message class: 5U - HR US: Messages

• Message number: 420

• Message text: Language key/Period modifier & & combination has not been defined

What causes this issue?

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

System Response

How to fix this error?

Check that this Language key and Period modifier combination is
defined in table T549N.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 5U420 - Language key/Period modifier & & combination has not been defined ?

  The SAP error message 5U420 indicates that there is an issue with the language key and period modifier combination in the system. This error typically arises when the system is unable to find a valid combination of language and period modifier for a specific operation, such as reporting or data entry.
  Cause:
  
  Missing Configuration: The language key and period modifier combination has not been defined in the system. This could be due to a lack of configuration in the relevant SAP modules.
  Incorrect Data Entry: The user may have entered an invalid language key or period modifier that does not exist in the system.
  Transport Issues: If the configuration was recently transported from another system, it may not have been properly set up or may be missing.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the relevant configuration settings in SAP (usually in the SPRO transaction).
  Navigate to the area where language keys and period modifiers are defined (e.g., Financial Accounting, Controlling).
  Ensure that the combination of the language key and period modifier you are trying to use is defined.
  
  
  
  Define Missing Combinations:
  
  If the combination is missing, you may need to create it. This typically involves defining the language key and period modifier in the appropriate configuration settings.
  
  
  
  Validate Data Entry:
  
  Double-check the values you are entering for the language key and period modifier. Ensure they are valid and correctly spelled.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for guidance on how to configure language keys and period modifiers.
  
  
  
  Check Transport Requests:
  
  If the issue arose after a transport, check the transport logs to ensure that all necessary configurations were included and correctly imported.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance.
  
  
  
  Related Information:
  
  Language Key: This is a code that represents a specific language in SAP. It is used in various contexts, such as reporting and data entry.
  Period Modifier: This is a code that represents a specific time period (e.g., monthly, quarterly) in SAP. It is often used in financial reporting and planning.
  Transaction Codes: Familiarize yourself with relevant transaction codes (e.g., SPRO for configuration, SE11 for data dictionary) that may help in troubleshooting the issue.
  
  By following these steps, you should be able to identify and resolve the cause of the 5U420 error in your SAP system.