Removed redundant functions from Service::class

resources/views/theme/backend/adminlte/u/service/widgets/active.blade.php

@@ -22,10 +22,10 @@
 				@foreach ($o->services as $oo)
 				<tr>
 					<td><a href="{{ url('u/service',[$oo->id]) }}">{{ $oo->sid }}</a></td>
-					<td>{{ $oo->service_type }}</td>
+					<td>{{ $oo->category }}</td>
 					<td>{{ $oo->name_short }}</td>
 					<td>{{ $oo->product->name }}</td>
-					<td>{{ $oo->external_billing ? '-' : $oo->next_invoice->format('Y-m-d') }}</td>
+					<td>{{ $oo->external_billing ? '-' : $oo->invoice_next->format('Y-m-d') }}</td>
 				</tr>
 				@endforeach
 				</tbody>