<?php
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

class CreatePhpdebugbarStorageTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('phpdebugbar', function (Blueprint $table) {
                $table->string('id');
                $table->text('data');
                $table->string('meta_utime');
                $table->dateTime('meta_datetime');
                $table->string('meta_uri');
                $table->string('meta_ip');
                $table->string('meta_method');

                $table->primary('id');
                $table->index('meta_utime');
                $table->index('meta_datetime');
                $table->index('meta_uri');
                $table->index('meta_ip');
                $table->index('meta_method');
            });
    }
    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::drop('phpdebugbar');
    }
}

<?php
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

class CreatePhpdebugbarStorageTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('phpdebugbar', function (Blueprint $table) {
                $table->increments('id');

                $table->text('data');
                $table->string('meta_utime');
                $table->dateTime('meta_datetime');
                $table->string('meta_uri');
                $table->string('meta_ip');
                $table->string('meta_method');

                $table->index('meta_utime');
                $table->index('meta_datetime');
                $table->index('meta_uri');
                $table->index('meta_ip');
                $table->index('meta_method');
            });
    }
    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::drop('phpdebugbar');
    }
}

--- 
+++ 
@@ -13,8 +13,7 @@
     public function up()
     {
         Schema::create('phpdebugbar', function (Blueprint $table) {
-                $table->increments('id');
-
+                $table->string('id');
                 $table->text('data');
                 $table->string('meta_utime');
                 $table->dateTime('meta_datetime');
@@ -22,6 +21,7 @@
                 $table->string('meta_ip');
                 $table->string('meta_method');
 
+                $table->primary('id');
                 $table->index('meta_utime');
                 $table->index('meta_datetime');
                 $table->index('meta_uri');
Fix id column in migration
