Fix issues between FacetWP with a custom (e.g. not main query) WP_Query and Theme My Login

index.php

<?php

add_filter('facetwp_is_main_query', filter_facetwp_is_main_query, 10, 2 );

function filter_facetwp_is_main_query( $is_main_query, $query ) {
  if ( 'template' == $query->get('post_type') ) $is_main_query = FALSE;
  
  return $is_main_query;
}