Login 500 ошибка
При регистрации пользователь создается, но на сайте вылетает 500 ошибка
[[!Register?
&submitVar=`submitbtn`
&usergroups=`Users`
&activation=`0`
&usernameField=`email`
&passwordField=`email`
&submittedResourceId=`1503`
&placeholderPrefix=`reg.`
]]
<form action="[[~[[*id]]]]" method="post">
<input type="email" name="email" id="email" class="news" placeholder="E-mail">
<input type="submit" value="Подписаться на новости" name="submitbtn" id="submitbtn" class="btn">
<span class="help-block text-error">
[[!+reg.error.email]]
</span>
</form>
[2017-10-24 09:57:41] (ERROR @ /home/i/itpizzo1/new.birdsandbees.ru/public_html/core/xpdo/xpdo.class.php : 644) Could not load class: tickets from tickets.
[2017-10-24 09:57:41] (ERROR @ /home/i/itpizzo1/new.birdsandbees.ru/public_html/core/xpdo/xpdo.class.php : 1247) Problem getting service tickets, instance of class tickets, from path
[2017-10-24 09:57:51] (ERROR @ /home/i/itpizzo1/new.birdsandbees.ru/public_html/core/xpdo/xpdo.class.php : 1826) No foreign key definition for parentClass: modUser using relation alias: AuthorProfile
[2017-10-24 09:57:51] (ERROR @ /home/i/itpizzo1/new.birdsandbees.ru/public_html/core/xpdo/xpdo.class.php : 644) Could not load class: TicketAuthor from mysql.ticketauthor.
[2017-10-24 09:57:55] (ERROR @ /home/i/itpizzo1/new.birdsandbees.ru/public_html/core/xpdo/xpdo.class.php : 644) Could not load class: tickets from tickets.
[2017-10-24 09:57:55] (ERROR @ /home/i/itpizzo1/new.birdsandbees.ru/public_html/core/xpdo/xpdo.class.php : 1247) Problem getting service tickets, instance of class tickets, from path