Peut-être que le message d’erreur qui s'affiche en page d'accueil est plus explicite, perso je ne comprends pas ce que le module de traduction a pu faire, peut-être en bdd mais j'ai rien trouvé.
RuntimeException in Translator.php line 414: The "php~" translation loader is not registered.
in Translator.php line 414
at Translator->doLoadCatalogue('fr_FR') in Translator.php line 306
at Translator->initializeCatalogue('fr_FR') in Translator.php line 292
at Translator->loadCatalogue('fr_FR') in Translator.php line 90
at Translator->trans('Welcome', array(), 'bo.default', 'fr_FR', true, true) in Translation.php line 92
at Translation->translate(array('l' => 'Welcome'), object(Smarty_Internal_Template)) in baf5e41238986a9b284a0634693d579731f7c3f7.file.login.html.php line 58
at content_5ee8d845384931_20692285(object(Smarty_Internal_Template)) in smarty_internal_templatebase.php line 188
at Smarty_Internal_TemplateBase->fetch('file:login.html') in SmartyParser.php line 381
at SmartyParser->internalRenderer('file', 'login.html', array('edit_language_id' => '1', 'edit_language_locale' => 'fr_FR', 'edit_currency_id' => '1', 'locale' => 'fr_FR', 'lang_code' => 'fr', 'lang_id' => '1', 'current_url' => 'http://192.168.0.2/thelia/web/index_dev.php/admin/login', 'app' => object(stdClass)), true) in SmartyParser.php line 424
at SmartyParser->render('login.html', array('edit_language_id' => '1', 'edit_language_locale' => 'fr_FR', 'edit_currency_id' => '1', 'locale' => 'fr_FR', 'lang_code' => 'fr', 'lang_id' => '1', 'current_url' => 'http://192.168.0.2/thelia/web/index_dev.php/admin/login', 'app' => object(stdClass))) in BaseAdminController.php line 390
at BaseAdminController->renderRaw('login.html', array('edit_language_id' => '1', 'edit_language_locale' => 'fr_FR', 'edit_currency_id' => '1')) in BaseAdminController.php line 346
at BaseAdminController->render('login') in SessionController.php line 73
at SessionController->showLoginAction()
at call_user_func_array(array(object(SessionController), 'showLoginAction'), array()) in HttpKernel.php line 139
at HttpKernel->handleRaw(object(Request), '1') in HttpKernel.php line 62
at HttpKernel->handle(object(Request), '1', true) in TheliaHttpKernel.php line 76
at TheliaHttpKernel->handle(object(Request), '1', true) in ParamInitMiddleware.php line 87
at ParamInitMiddleware->handle(object(Request), '1', true) in SessionMiddleware.php line 80
at SessionMiddleware->handle(object(Request), '1', true) in StackedHttpKernel.php line 23
at StackedHttpKernel->handle(object(Request), '1', true) in Kernel.php line 185
at Kernel->handle(object(Request)) in index_dev.php line 38