A supported language is missing from the language field options on the User/ Company profile setting.
|Knowledge Article Number||000175983|
|Description||A System Administrator would like to change a User's or Company's language to a different but supported language. However, it is not included on the Language field's drop-down option.
Click the drop-down for Language field.
A supported language option is missing ( i.e Spanish).
To Find the Missing Language go to:
Move <missing option (i.e. Spanish)> to the "Displayed Languages" box.
The language should now be available for selection in the User's Personal Information again.
Click here to see the languages that Salesforce supports.