ctrlpanel/database/migrations/2022_01_14_234418_update_settings_table_allow_nullable.php

<?php

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

return new class extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        //allow value column in settings table to be nullable
        Schema::table('settings', function (Blueprint $table) {
            $table->string('value')->nullable()->change();
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        //disallow value column in settings table to be nullable
        Schema::table('settings', function (Blueprint $table) {
            $table->string('value')->nullable(false)->change();
        });
    }
};