Error after update to ojs-3.4.0-4

Hi at all,

i have to update from ojs-3.4.0-3 to


, when i do the access with credenzial, i have a blank page for “Identity”, “Contact”, etc.

PHP Fatal error: Uncaught Error: Call to a member function getDisplayName() on null in /srv/http/ojs-3.4.0-4/lib/pkp/classes/i18n/Locale.php:278\nStack trace:\n#0 [internal function]: PKP\i18n\Locale->PKP\i18n\{closure}()\n#1 /srv/http/ojs-3.4.0-4/lib/pkp/classes/i18n/Locale.php(278): array_map()\n#2 /srv/http/ojs-3.4.0-4/lib/pkp/classes/i18n/Locale.php(270): PKP\i18n\Locale->getSupportedLocales()\n#3 /srv/http/ojs-3.4.0-4/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Support/Facades/Facade.php(338): PKP\i18n\Locale->getSupportedFormLocales()\n#4 /srv/http/ojs-3.4.0-4/lib/pkp/classes/form/Form.php(85): Illuminate\Support\Facades\Facade::__callStatic()\n#5 /srv/http/ojs-3.4.0-4/lib/pkp/classes/user/form/BaseProfileForm.php(38): PKP\form\Form->__construct()\n#6 /srv/http/ojs-3.4.0-4/lib/pkp/classes/user/form/ContactForm.php(34): PKP\user\form\BaseProfileForm->__construct()\n#7 /srv/http/ojs-3.4.0-4/lib/pkp/controllers/tab/user/ProfileTabHandler.php(104): PKP\user\form\ContactForm->__construct()\n#8 [internal function]: PKP\controllers\tab\user\ProfileTabHandler->contact()\n#9 /srv/http/ojs-3.4.0-4/lib/pkp/classes/core/PKPRouter.php(334): call_user_func()\n#10 /srv/http/ojs-3.4.0-4/lib/pkp/classes/core/PKPComponentRouter.php(291): PKP\core\PKPRouter->_authorizeInitializeAndCallRequest()\n#11 /srv/http/ojs-3.4.0-4/lib/pkp/classes/core/Dispatcher.php(165): PKP\core\PKPComponentRouter->route()\n#12 /srv/http/ojs-3.4.0-4/lib/pkp/classes/core/PKPApplication.php(388): PKP\core\Dispatcher->dispatch()\n#13 /srv/http/ojs-3.4.0-4/index.php(21): PKP\core\PKPApplication->execute()\n#14 {main}\n thrown in /srv/http/ojs-3.4.0-4/lib/pkp/classes/i18n/Locale.php on line 278, referer: http://ojs3.unict.it/ojs/index.php/index/user/profile

Angelo