corretto problema precedente. [DEBUG] del post degli headers

resources/views/conti/importGeneric.blade.php

@@ -5,7 +5,7 @@
 @endsection
 
 @section('content')
-<form action="" method="POST">
+<form action="{{ route('conti.map.store') }}" method="POST">
 @csrf
     @foreach ($csv as $header)
     <label>{{ $header }}</label>
@@ -19,7 +19,7 @@
         <option value="mov_fk_conto">ID Conto</option>
     </select>
     @endforeach
-    <input type="hidden" name="filename" value="{{ $filename }}">
+    <input type="hidden" name="filename" value="{{ $filename .".csv" }}">
 <button type="submit">Salva</button>
 </form>
 @endsection