How To Fix RIN066 - Language &1 could not be added. Max. number of logon languages exceeded.

SAP Error Message - Details

• Message type: E = Error

• Message class: RIN - RSCPINST

• Message number: 066

• Message text: Language &1 could not be added. Max. number of logon languages exceeded.

What causes this issue?

You tried to add a language to the I18n language configuration. But this
was not possible because the maximum number of logon languages is
restricted to 128.

System Response

The language was not added to the I18n language configuration.

How to fix this error?

By default new languages are added as logon language to the I18n
language configuration. But sometimes it is not required that a language
is configured as logon language but only present as active language.
Remove the logon flag from all languages which are not required as logon
language. Afterwards you are able to add more languaged to the I18n
language configuration.

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

The limits for the language I18n configuration are
Maximum number of logon languages: 128
Maximum number of active languages: 200

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RIN066 - Language &1 could not be added. Max. number of logon languages exceeded. ?

  The SAP error message RIN066 indicates that the maximum number of logon languages for a user has been exceeded. This typically occurs when a user tries to add a new logon language to their profile, but the system has a limit on how many languages can be assigned to a single user.
  Cause:
  
  Exceeded Limit: Each user in SAP can only have a certain number of logon languages assigned to them. If a user already has the maximum number of languages, attempting to add another will trigger this error.
  System Configuration: The limit on the number of logon languages is defined in the system configuration, and it may vary based on the specific SAP system settings.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Current Logon Languages:
  
  Go to the user profile in transaction SU01.
  Enter the user ID and click on the "Logon Data" tab to see the currently assigned logon languages.
  
  
  
  Remove Unused Languages:
  
  If the user has reached the maximum number of languages, consider removing any languages that are not needed.
  To do this, select the language you want to remove and delete it from the list.
  
  
  
  Increase the Limit (if necessary):
  
  If you need to allow more logon languages for users, you may need to consult with your SAP Basis team to see if the system configuration can be adjusted to increase the maximum number of logon languages allowed.
  
  
  
  User Training:
  
  Ensure that users are aware of the limitations and encourage them to only add languages that are necessary for their work.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SU01 - User Maintenance
  SU10 - Mass User Maintenance (if you need to change multiple users)
  
  
  
  SAP Notes: Check for any relevant SAP Notes that might provide additional insights or updates regarding this error message.
  
  
  Documentation: Refer to the SAP Help Portal for documentation on user management and logon language settings.
  
  
  By following these steps, you should be able to resolve the RIN066 error and manage user logon languages effectively.