1.6.1.0 - Localization / Translations / Translations - Your PHP configuration limits the maximum number of fields allowed in a form: 1000 for max_input_vars.

[Rhiz3K]

Warning! Your PHP configuration limits the maximum number of fields allowed in a form: 1000 for max_input_vars.
Please ask your hosting provider to increase this limit to 1408 at least, or you will have to edit the translation files.