<?php

use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;

class CreateSettings extends Migration {

	/**
	 * Run the migrations.
	 *
	 * @return void
	 */
	public function up()
	{
		Schema::create('seat_settings', function(Blueprint $table)
		{
		  $table->string('setting')->unique;
		  $table->string('value');

		  $table->timestamps();
		});
	}

	/**
	 * Reverse the migrations.
	 *
	 * @return void
	 */
	public function down()
	{
		Schema::dropIfExists('seat_settings');
	}

}
<?php

use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;

class CreateSettings extends Migration {

	/**
	 * Run the migrations.
	 *
	 * @return void
	 */
	public function up()
	{
		Schema::create('seat_settings', function(Blueprint $table)
		{
		  $table->string('setting')->unique();
		  $table->string('value');

		  $table->timestamps();
		});
	}

	/**
	 * Reverse the migrations.
	 *
	 * @return void
	 */
	public function down()
	{
		Schema::dropIfExists('seat_settings');
	}

}
Fix migration to actually be unique.
Fix migration to actually be unique.

This sadly does not fix it for people that have already run it
