Automatischer wechsel der Sprache wieder rückgängig gemacht.

config/laravellocalization.php

@@ -299,7 +299,7 @@ return [
 
     // Negotiate for the user locale using the Accept-Language header if it's not defined in the URL?
     // If false, system will take app.php locale attribute
-    'useAcceptLanguageHeader' => true,
+    'useAcceptLanguageHeader' => false,
 
     // If LaravelLocalizationRedirectFilter is active and hideDefaultLocaleInURL
     // is true, the url would not have the default application language
@@ -307,6 +307,6 @@ return [
     // IMPORTANT - When hideDefaultLocaleInURL is set to true, the unlocalized root is treated as the applications default locale "app.locale".
     // Because of this language negotiation using the Accept-Language header will NEVER occur when hideDefaultLocaleInURL is true.
     //
-    'hideDefaultLocaleInURL'  => false,
+    'hideDefaultLocaleInURL'  => true,
 
 ];