Show password on reset password page to allow user to reveal and view the password.

pmpro-show-password-toggle-reset-password.php

<?php
/**
 * Password visibility toggle on the reset password page.
 *
 * 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_show_password_toggle_reset_password() {
	global $pmpro_pages;

	// Bail if not on the reset password page.
	if ( ! is_page( $pmpro_pages['login'] ) || empty( $_REQUEST['action'] ) || 'rp' !== $_REQUEST['action'] || empty( $_REQUEST['key'] ) ) {
		return;
	}
	?>
	<script>
	jQuery(document).ready(function () {
		var showPassDiv = jQuery('<div class="pmpro_reset_password-field pmpro_reset_password-field-showpass">');
		var showPassCheckbox = jQuery('<input type="checkbox" id="showPasswordCheckbox">');
		var showPassText = jQuery('<span> Show Password</span>');
		showPassDiv.append(showPassCheckbox);
		showPassDiv.append(showPassText);
		jQuery('.pmpro_reset_password-field-pass2').after(showPassDiv);

		// Handle the show password checkbox
		jQuery('#showPasswordCheckbox').on('change', function () {
			var pass1Input = jQuery('#pass1');
			var pass2Input = jQuery('#pass2');

			if (jQuery(this).is(':checked')) {
			// Show the password in both fields
			pass1Input.attr('type', 'text');
			pass2Input.attr('type', 'text');
			} else {
			// Change back to password fields
			pass1Input.attr('type', 'password');
			pass2Input.attr('type', 'password');
			}
		});
	});
	</script>
	<?php
}
add_action( 'wp_footer', 'my_pmpro_show_password_toggle_reset_password' );

any idea how to bypass the PMPRO reset password error?

It's best to ask support questions not related to this specific gist here: https://wordpress.org/support/plugin/paid-memberships-pro/