Getting foreign key constraint error 1215 while building from laravel migrations

Getting this error 1215. Though the type and key name is exactly correct. I am linking the column having data-type = varchar though it is very rare to use varchar column as foreign key. But I need to add this only. Given below are two tables getting created and their schema is shown.

This is the parent table.

   public function up()
{
Schema::create('resources', function (Blueprint $table) {
$table->increments('id');
$table->string('type');
$table->timestamps();
$table->softDeletes();
});
}

This is the child table.

public function up()
{
Schema::create('active_subscriptions', function (Blueprint $table) {
$table->increments('id');
$table->unsignedInteger('resource_id');
$table->string('resource_type');
$table->dateTime('start_date');
$table->dateTime('end_date');
$table->decimal('net_price');
$table->foreign('resource_type')->references('type')->on('resources');
$table->timestamps();
$table->softDeletes();
});
}

This is the error which I am getting here.

1215 Cannot add foreign key constraint (SQL: alter table `active_subscriptions` add constraint `active_subscriptions_resource_type_foreign` foreign key (`resource_type`) references `resources` (`type`))

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