Allow question title to be more than 100 characters

functions.php

<?php
/**
 * This hook will make question title to be more than 100 characters.
 *
 * @param array $form Form arguments.
 * @return array
 */
function my_ap_make_question_description_optional( $form ) {
  $validate = $form['fields']['post_title']['validate'];
  
  $validate['max_length'] = 200;
  
  // Update existing value.
  $form['fields']['post_title']['validate'] = $validate;
  
  return $form;
}

add_filter( 'ap_question_form_fields', 'my_ap_question_title_more_than_100' );