public function up() 	{ 		Schema::table('applicants', function (Blueprint $table) { 			$table->dropColumn(['location', 'department']); 			$table->uuid('location_id')->after('profession_id')->nullable(); 			$table->uuid('department_id')->after('profession_id')->nullable();  			$table->foreign('location_id')->references('id')->on('locations')->nullOnDelete(); 			$table->foreign('department_id')->references('id')->on('departments')->nullOnDelete(); 		}); 	}