Ok sorry… I just used the move feature and put them back in system folder. Now it translates again.
But how can I move them to custom folder to keep the translations if I update?
If the custom folder doesn’t work, then you won’t be able to save your files there. There are many reasons it may not work, but the most common cause is the translations being requested before Loco Translate has been allowed to start up. (see related FAQ). There is nothing my plugin can do in this situation to force itself to load earlier.
If your only choice is to save translations in the “system” folder, then you will have to disable automatic translation updates for the Event Manager plugin. I mention this briefly in another related FAQ, but please consult WordPress documentation for the most up-to-date methods of controlling automatic updates.
Many thanks for the reply and information Tim! I will look into the links 🙂