Symptoms
In Plesk , Server , Database servers , MSSQL, Webadmin. In Webadmin go to Security , Logins, choose any user. Change language to Japanese and press Save Login.The following error appears:
Error: '???' is not a valid official language name.
Source .Net SqlClient Data Provider
Resolution
This problem has been solved in Plesk version 8.2. Consider upgrading Plesk to the latest versionKeywords: SqlClient Data Provider