Hello! Please,i need help. I'm using laravel 6,i'am creating migrations,my question is how to correct this error.?This is the error. Really,i don't see where is the error.Urgent

Illuminate\Database\QueryException  : SQLSTATE[HY000]: General error: 1005 Can't create table `epacahier`.`users` (errno: 150 "Foreign key constraint is incorrectly

Look at the code:

users migration

/* Users migration*/
<?php

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

class Users extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('users', function (Blueprint $table) {
            $table->bigIncrements('id')->unsigned();
            $table->bigInteger('filiere_id'); $table->bigInteger('annee_id');
            $table->string('nom');
            $table->string('password');
            $table->string('telephone');
            $table->string('email');
            $table->integer('is_deleted');
            $table->string('activation_state');
            $table->string('role');
            $table->string('secteur');
            $table->timestamps();


            $table->foreign('filiere_id')->references('id')->on('filiere')->onDelete('cascade'); $table->foreign('annee_id')->references('id')->on('annee')->onDelete('cascade');
          });

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

filiere migration

<?php

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

class Annee extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('annee', function (Blueprint $table) {
            $table->bigIncrements('id');
            $table->integer('debut');
            $table->integer('fin');
            $table->boolean('actif');
            $table->boolean('close');
            $table->timestamps();
        });
    }

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

annee migration

<?php
/* filiere migration*/
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

class Filiere extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('filiere', function (Blueprint $table) {
            $table->bigIncrements('id')->unsigned();
            $table->bigInteger('departement_id')->unsigned();
            $table->string('nom');
            $table->timestamps();

            $table->foreign('departement_id')->references('id')->on('departement')->onDelete('cascade');

        });
    }

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

migration