diff --git a/app/controllers/api/v1/notices_controller.rb b/app/controllers/api/v1/notices_controller.rb
index bd2bcaad..cf2e2140 100644
--- a/app/controllers/api/v1/notices_controller.rb
+++ b/app/controllers/api/v1/notices_controller.rb
@@ -28,10 +28,11 @@ module Api
 
       def site
         @site ||= Site.find(params[:site_id])
+      rescue ActiveRecord::RecordNotFound
       end
 
       def verify_api_key
-        site.verifier.verify(airbrake_token, purpose: :airbrake) === Site::Api::AIRBRAKE_SECRET
+        site&.verifier&.verify(airbrake_token, purpose: :airbrake) === Site::Api::AIRBRAKE_SECRET
       rescue ActiveSupport::MessageVerifier::InvalidSignature
         false
       end
diff --git a/app/jobs/backtrace_job.rb b/app/jobs/backtrace_job.rb
index a7192fdc..9138039e 100644
--- a/app/jobs/backtrace_job.rb
+++ b/app/jobs/backtrace_job.rb
@@ -40,7 +40,7 @@ class BacktraceJob < ApplicationJob
 
   # Obtiene todos los archivos del backtrace
   def files
-    @files ||= params['errors'].map { |x| x['backtrace'] }.flatten.map { |x| x['file'].split('@').last }.uniq.select { |x| x.start_with? site.url }
+    @files ||= params['errors'].map { |x| x['backtrace'] }.flatten.map { |x| x['file'].split('@').last }.uniq.select { |x| x&.start_with?(site.url) }
   end
 
   # Asume que todos los sourcemaps comparten la misma URL, lo