Error Migrations

2020_02_18_163636_create_coupons_table.php

<?php

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

class CreateCouponsTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('coupons', function (Blueprint $table) {
            $table->bigIncrements('id');
            $table->string('title');
            $table->string('slug')
                ->unique();
            $table->enum('status', ['ACTIVE', 'INACTIVE'])
                ->default('ACTIVE');
            $table->string('school')
                ->nullable();
            $table->string('description')
                ->nullable();
            $table->timestamps();
        });
    }

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

2020_02_18_163756_create_codes_table.php

<?php

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

class CreateCodesTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('codes', function (Blueprint $table) {
            $table->bigIncrements('id');
            $table->string('title');
            $table->string('slug')
                ->unique();
            $table->enum('status', ['ACTIVE', 'INACTIVE'])
                ->default('ACTIVE');
            $table->date('expired_date');
            $table->char('code', 12);
            $table->timestamps();
        });
    }

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

2020_02_18_163958_add_coupon_id_user_id_to_codes_table.php

<?php

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

class AddCouponIdUserIdToCodesTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::table('codes', function (Blueprint $table) {
            $table->unsignedBigInteger('coupon_id');
            $table->foreign('coupon_id')
                ->references('id')
                ->on('coupons')
                ->onUpdate('cascade')
                ->onDelete('set null');

            $table->unsignedBigInteger('user_id');
            $table->foreign('user_id')
                ->references('id')
                ->on('users')
                ->onUpdate('cascade')
                ->onDelete('set null');
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::table('codes', function (Blueprint $table) {
            $table->dropForeign('users_user_id_foreign');
            $table->dropColumn('user_id');
            $table->dropForeign('coupons_coupon_id_foreign');
            $table->dropColumn('coupon_id');
        });
    }
}