Laravel migration (errno: 150 “Foreign key constraint is incorrectly formed”)

Question

I have an orders table and a have a sell_shipping_labels which references orders.id as a foreign. However when I run the Laravel migration I get th

Answer 1

For laravel 6+ users, I agreed with the top 2 answers its all depends on laravel versions, For the latest versions users id column uses big integer. So referencing the users id from current migration you need to use unsignedBigInteger as a reference key. Bellow is a migration example for laravel 6.5.*, Whenever we assign foreign key Keep in mind of your current laravel version

Schema::create('galleries', function (Blueprint $table) {
        $table->bigIncrements('id');
        ==>$table->unsignedBigInteger('user_id');
        $table->string('title');
        $table->string('description');
        $table->timestamps();
        ==>$table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
    });