Localization and Package Block

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Hi,

I'm having trouble with a package that is no longer supported and I need some help.
The strings and dates inside that block aren't translating.

The addon is Proevents and the block template is "Jquery Responsive".
This block has its output code inside the
/packages/proevents/views/ajax/pro_event_list/calendar_responsive.php
so my guess is this file is not using the translation engine for some reason.

If I output the following code in the page template, it works as intended, inside the block template it also works, but on the views file it doesn't return localized:

$dh = Core::make('helper/date');
echo $dh->formatCustom('F');


Is there a way to activate or make it work?
Thanks

ESKEMA