fix

app/models/message_template/issue_expire.rb

@@ -38,7 +38,7 @@ class MessageTemplate::IssueExpire < MessageTemplate
 
   def self.get_email_message_content(receiver, issue)
     if receiver.user_template_message_setting.present? 
-      send_setting = receiver.user_template_message_setting.init_email_body["CreateOrAssign::IssueExpire"]
+      send_setting = receiver.user_template_message_setting.email_body["CreateOrAssign::IssueExpire"]
       send_setting = send_setting.nil? ? UserTemplateMessageSetting.init_email_body["CreateOrAssign::IssueExpire"] : send_setting
       return '', '', '' unless send_setting
       project = issue&.project