app/Filament/Resources/LineResource.php

@@ -75,7 +75,7 @@ class LineResource extends Resource
                         Forms\Components\Select::make('block_id')
                             ->label('Block')
                             ->relationship('block', 'name')
-                            ->required()
+                            // ->required()
                             // ->nullable(),
                             ->reactive()
                             ->options(function (callable $get) {