diff --git a/README.md b/README.md
index 874a177..52a36ce 100644
--- a/README.md
+++ b/README.md
@@ -164,6 +164,7 @@ You can configure Solid Errors via the Rails configuration object, under the `so
 * `email_subject_prefix` - Prefix added to the subject line for email notifications. See [Email notifications](#email-notifications) for more information.
 * `base_controller_class` - Specify a different controller as the base class for the Solid Errors controller. See [Authentication](#authentication) for more information.
 * `destroy_after` - If set, Solid Errors will periodically destroy resolved records that are older than the value specified. See [Automatically destroying old records](#automatically-destroying-old-records) for more information.
+* `ignored_errors` - An array of error class names (strings) that will not be saved in addition to the default list hardcoded in `lib/solid_errors/subscriber.rb`
 
 ### Database Configuration
 
@@ -376,4 +377,3 @@ The gem is available as open source under the terms of the [MIT License](https:/
 ## Code of Conduct
 
 Everyone interacting in the SolidErrors project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the [code of conduct](https://github.com/fractaledmind/solid_errors/blob/main/CODE_OF_CONDUCT.md).
-
diff --git a/app/models/solid_errors/occurrence.rb b/app/models/solid_errors/occurrence.rb
index 4f034e0..295ff94 100644
--- a/app/models/solid_errors/occurrence.rb
+++ b/app/models/solid_errors/occurrence.rb
@@ -5,6 +5,10 @@ class Occurrence < Record
     after_create_commit :send_email, if: -> { SolidErrors.send_emails? && SolidErrors.email_to.present? }
     after_create_commit :clear_resolved_errors, if: :should_clear_resolved_errors?
 
+    unless type_for_attribute("context").is_a?(ActiveRecord::Type::Json)
+      serialize :context, coder: JSON
+    end
+
     # The parsed exception backtrace. Lines in this backtrace that are from installed gems
     # have the base path for gem installs replaced by "[GEM_ROOT]", while those in the project
     # have "[PROJECT_ROOT]".
diff --git a/lib/solid_errors.rb b/lib/solid_errors.rb
index c2a3788..dee56aa 100644
--- a/lib/solid_errors.rb
+++ b/lib/solid_errors.rb
@@ -15,6 +15,7 @@ module SolidErrors
   mattr_accessor :email_to
   mattr_accessor :email_subject_prefix
   mattr_accessor :destroy_after
+  mattr_writer :ignored_errors
 
   class << self
     # use method instead of attr_accessor to ensure
@@ -29,6 +30,10 @@ def password
       @password ||= ENV["SOLIDERRORS_PASSWORD"] || @@password
     end
 
+    def ignored_errors
+      @ignored_errors ||= (@@ignored_errors || []).to_h{|k| [k,true]}
+    end
+
     def send_emails?
       send_emails && email_to.present?
     end
diff --git a/lib/solid_errors/subscriber.rb b/lib/solid_errors/subscriber.rb
index 2063250..c8e8b0c 100644
--- a/lib/solid_errors/subscriber.rb
+++ b/lib/solid_errors/subscriber.rb
@@ -19,11 +19,10 @@ class Subscriber
       "CGI::Session::CookieStore::TamperedWithCookie",
       "Mongoid::Errors::DocumentNotFound",
       "Sinatra::NotFound",
-      "Sidekiq::JobRetry::Skip"].map(&:freeze).freeze
+      "Sidekiq::JobRetry::Skip"].to_h{|v| [v.freeze,true]}.freeze
 
     def report(error, handled:, severity:, context:, source: nil)
       return if ignore_by_class?(error.class.name)
-
       error_attributes = {
         exception_class: error.class.name,
         message: s(error.message),
@@ -49,11 +48,7 @@ def s(data)
     end
 
     def ignore_by_class?(error_class_name)
-      IGNORED_ERRORS.any? do |ignored_class|
-        ignored_class_name = ignored_class.respond_to?(:name) ? ignored_class.name : ignored_class
-
-        ignored_class_name == error_class_name
-      end
+      SolidErrors.ignored_errors.key?(error_class_name) || IGNORED_ERRORS.key?(error_class_name)
     end
   end
 end
diff --git a/test/models/solid_errors/occurrence_test.rb b/test/models/solid_errors/occurrence_test.rb
index c994e7d..6cab4b5 100644
--- a/test/models/solid_errors/occurrence_test.rb
+++ b/test/models/solid_errors/occurrence_test.rb
@@ -39,6 +39,28 @@ def teardown
     end
   end
 
+  test "an ignored error should not be saved while an acceptable one is saved" do
+    SolidErrors.ignored_errors = ["RuntimeError"]
+    # An hardcoded ignored error should be discarded
+    assert_difference -> { SolidErrors::Error.count }, 0 do
+      assert_difference -> { SolidErrors::Occurrence.count }, 0 do
+        Rails.error.report( ActionController::RoutingError.new('argh'))
+      end
+    end
+    # A user ignored error should be discarded
+    assert_difference -> { SolidErrors::Error.count }, 0 do
+      assert_difference -> { SolidErrors::Occurrence.count }, 0 do
+        Rails.error.report( RuntimeError.new("argh") )
+      end
+    end
+    # A valid error should be recorded
+    assert_difference -> { SolidErrors::Error.count }, +1 do
+      assert_difference -> { SolidErrors::Occurrence.count }, +1 do
+        Rails.error.report(StandardError.new("argh"))
+      end
+    end
+  end
+
   private
 
   def simulate_99_old_exceptions(status)
@@ -46,4 +68,5 @@ def simulate_99_old_exceptions(status)
     SolidErrors::Error.update_all(resolved_at: Time.current) if status == :resolved
     SolidErrors::Occurrence.last.update!(id: 99, created_at: 1.day.ago)
   end
+
 end