Fix LearnPress PMPro Add On compatibility issue with Email Template overrides.

my-pmpro-learnpress-workaround.php

<?php
/**
 * Fix LearnPress PMPro Add On compatibility issue with Email Template overrides.
 *
 * You can add this recipe to your site by creating a custom plugin
 * or using the Code Snippets plugin available for free in the WordPress repository.
 * Read this companion article for step-by-step directions on either method.
 * https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */

function my_pmpro_learnpress_workaround() {
	add_filter( 'learn_press_pmpro_email_custom_template_path', '__return_empty_string' );
}

add_action( 'init', 'my_pmpro_learnpress_workaround' );