Librenms generate reports without values

<%- if @topic_view.topic.tags.present? %>
<%= t 'js.tagging.tags' %>: <%- @topic_view.topic.tags.each do |t| %> <%= t %> <%- end %>
<% end %>

Hello,
I have problem with generating reports to email. The email does not display values, only variables.
Have you any experience with this? Here ais example:

Subject: Device kyocera printer recovered from State Sensor Critical
Body:
%title
Severity: %severity
{if %state == 0}Time elapsed: %elapsed
{/if}Timestamp: %timestamp
Unique-ID: %uid
Rule: {if %name}%name{else}%rule{/if}
{if %faults}Faults:
{foreach %faults} #%key: %value.string
{/foreach}{/if}Alert sent to: {foreach %contacts}%value <%key> {/foreach}

Thanks!

Your alert template needs updating to the newer format, see examples here:
https://docs.librenms.org/Alerting/Templates/