WPML adds empty paragraphs in custom blocks

Overview of the issue

If you are using custom blocks, particularly with the Advanced Custom Fields plugin, you will notice that it adds some empty <p></p> tags when you translate them with WPML.

Workaround

Please, be sure of making a full backup of your site before preoceding.

1. Open the /wp-content/plugins/sitepress-multilingual-cms/addons/wpml-page-builders/classes/Integrations/Gutenberg/class-wpml-gutenberg-integration.php file.
2. Change:

   	$content = wpautop( $block->innerHTML );
   

   To:

   $content = ( $block->innerHTML );