Sensei - Disable "Pass required to complete lesson" on all lessons. Add this to your theme's functions.php file and then load any frontend page on the site. After that you must remove the code from your site.

function.php

<?php
add_action( 'init', 'sensei_disable_pass_required_all_lessons' );
function sensei_disable_pass_required_all_lessons() {
  
  if( is_admin() ) {
    return;
  }

  global $woothemes_sensei;
  
  $args = array(
    'post_type' => 'lesson',
    'posts_per_page' => -1,
  );
  
  $lessons = get_posts( $args );

  foreach( $lessons as $lesson ) {
    $quizzes = $woothemes_sensei->frontend->lesson->lesson_quizzes( $lesson->ID );
    foreach( $quizzes as $quiz ) {
      update_post_meta( $quiz->ID, '_pass_required', '' );
    }
  }
}
?>