Почему при смене кодировки сайта пропали категории?

<div class="entry-header entry-header-2 mb-50 mt-50 text-center">
	<div class="entry-meta meta-0 font-small mb-30">
		<a href="{category-url}"><span class="post-cat bg-success color-white">{category}</span></a></div>

	<div class="entry-meta meta-1 font-small font-weight-normal color-grey text-uppercase">
		<span class="hit-count">[profile]<i class="ti-user"></i>[fullname] {fullname} ({login})[/fullname] [not-fullname]{login}[/not-fullname] [/profile]</span>
		<span class="hit-count"><i class="ti-time"></i> {date=d.m.Y H:i}</span>
		[edit-date] <span class="update-on"><i class="ti ti-alarm-clock"></i> Пост обновлен {edit-date=d.m.Y} в {edit-date=H:i} </span>[/edit-date]
		<span class="hit-count"><i class="ti-comment"></i> {comments-num} [declination={comments-num}]комментари|й|я|ев[/declination]</span>
		<span class="hit-count"><i class="ti-eye"></i> {views} [declination={views}]просмот|р|ра|ров[/declination]</span>
		[edit]<span class="hit-count"><i class="ti-pencil"></i>Редактировать</span>[/edit]
      [add-favorites]<span class="hit-count"><i class="ti-heart"></i>В закладки</span>[/add-favorites]
      [del-favorites]<span class="hit-count"><i class="ti-agenda"></i>Удалить</span>[/del-favorites]
	</div>
</div>
<div class="row mb-50" style="transform: none;">
	<div class="col-lg-8 col-md-12">
		<div><figure class="single-thumnail mb-30">
			<img src="[xfvalue_image_url_poster]"alt="{title}">
		</figure></div>
      <div>[xfvalue_gallery]</div>
		<div class="single-excerpt">
			<div class="font-large">{short-story}</div>
		</div>				
		<div class="entry-main-content">
			{full-story}
			
		</div>
	
		<hr class="wp-block-separator is-style-wide">
		<div class="entry-bottom mt-30 mb-10 d-flex justify-content-between align-items-center">
			<div class="font-weight-500 entry-meta meta-1 font-md  color-grey"></div>
			<div class="single-social-share float-right">
				<div class="d-inline-block list-inline d-flex justify-content-end align-items-center">
					<span class="font-small text-muted pr-15"><i class="ti-sharethis mr-15"></i></span>
					<script src="https://yastatic.net/share2/share.js"> </script>
					<div class="ya-share2" data-curtain data-shape="round" data-services="moimir,vkontakte,odnoklassniki,telegram,whatsapp,max"></div>
				</div>
			</div>
          <span class="hit-count"> [rating-type-3]
<div class="mwrating" style="margin: 10px 0px 0px 0px;">
    <div class="wmminus">[rating-minus]-[/rating-minus]</div>
    <div class="mwrat">{rating}</div>
    <div class="wmplus">[rating-plus]+[/rating-plus]</div>
</div>
[/rating-type-3] </span>
		</div>
		[tags]
		<div class="entry-bottom  mb-0 w-100 pb-0 overflow-hidden">
			<hr class="wp-block-separator is-style-wide">
			<div class="tags float-left pt-10 text-muted mb-md-30">
				<span class="font-small mr-10"><i class="fa fa-tag mr-5"></i>Теги: </span>
				{tags}
			</div>
		</div>
		[/tags]
		<div class="author-bio border-radius-10 bg-white p-30 mt-50 mb-40">
			<div class="author-image mb-30">
				<a href="{profile-link}" class="[online]online[/online]"><img src="{foto}" alt="" class="avatar"></a></div>
			<div class="author-info">
				<h3><span class="vcard author"><span class="fn"><a href="{profile-link}" title="Профиль автора" rel="author">
					[fullname]{fullname} ({login})[/fullname][not-fullname]{login}[/not-fullname]
					</a></span></span></h3>

				<div class="author-description">[user-info]{user-info}[/user-info][not-user-info]Автор пока не написал ничего о себе.[/not-user-info]</div>
				<a href="{news}" class="author-bio-link text-muted">Смотреть все посты автора</a>
			</div>
		</div>
		[related-news]
		<div class="related-posts">
			<h3 class="mb-30">Похожие</h3>
			<div class="row">
				{related-news}
			</div>
		</div>
		[/related-news]
		[comments]
		<div class="comments-area">
			<h3 class="mb-30">{comments-num} [declination={comments-num}]комментари|й|я|ев[/declination]</h3>
			{comments}
		</div>
		[/comments]
		<div class="comment-form">
			<h3 class="mb-30">Обсудить</h3>
			{addcomments}
		</div>
	</div>
	<div class="col-lg-4 col-md-12 sidebar-right sticky-sidebar">
		{include file="modules/right-sidebar.tpl"}
	</div>
</div>