diff --git a/config/initializers/multi_logger.rb b/config/initializers/multi_logger.rb
index d39d786c1..6c0b4eb27 100644
--- a/config/initializers/multi_logger.rb
+++ b/config/initializers/multi_logger.rb
@@ -1,17 +1,19 @@
 class MultiLogger
-  def initialize(*targets)
-    @targets = targets
+  def initialize(file_logger)
+    @rails_logger = Rails.logger
+    @file_logger = file_logger
   end
 
   def info(data)
-    @targets.each { |t| t.info(data) }
+    @rails_logger.info(data)
   end
 
   def warn(data)
-    @targets.each { |t| t.warn(data) }
+    @rails_logger.warn(data)
   end
 
   def error(data)
-    @targets.each { |t| t.error(data) }
+    @rails_logger.error(data)
+    @file_logger.error(data)
   end
 end
diff --git a/lib/tasks/full_import.rake b/lib/tasks/full_import.rake
index c1fe146d8..3b74b458a 100644
--- a/lib/tasks/full_import.rake
+++ b/lib/tasks/full_import.rake
@@ -9,7 +9,7 @@ namespace :import do
     s3_service = Storage::S3Service.new(PlatformHelper.is_paas? ? Configuration::PaasConfigurationService.new : Configuration::EnvConfigurationService.new, ENV["IMPORT_PAAS_INSTANCE"])
     csv = CSV.parse(s3_service.get_file_io(institutions_csv_name), headers: true)
     logs_string = StringIO.new
-    logger = MultiLogger.new(Rails.logger, Logger.new(logs_string))
+    logger = MultiLogger.new(Logger.new(logs_string))
     org_count = csv.length
 
     initial_import_list = [
@@ -36,7 +36,7 @@ namespace :import do
       end
 
       log_file = "#{File.basename(institutions_csv_name, File.extname(institutions_csv_name))}_#{File.basename(archive_path, File.extname(archive_path))}_initial.log"
-      s3_service.write_file(log_file, logs_string.string)
+      s3_service.write_file(log_file, logs_string.string) if logs_string.string.present?
       logs_string.rewind
       logs_string.truncate(0)
     end
@@ -53,7 +53,7 @@ namespace :import do
     csv = CSV.parse(s3_service.get_file_io(institutions_csv_name), headers: true)
     org_count = csv.length
     logs_string = StringIO.new
-    logger = MultiLogger.new(Rails.logger, Logger.new(logs_string))
+    logger = MultiLogger.new(Logger.new(logs_string))
 
     logs_import_list = [
       Import.new(Imports::LettingsLogsImportService, :create_logs, "logs", logger),
@@ -77,7 +77,7 @@ namespace :import do
       end
 
       log_file = "#{File.basename(institutions_csv_name, File.extname(institutions_csv_name))}_#{File.basename(archive_path, File.extname(archive_path))}_logs.log"
-      s3_service.write_file(log_file, logs_string.string)
+      s3_service.write_file(log_file, logs_string.string) if logs_string.string.present?
       logs_string.rewind
       logs_string.truncate(0)
     end
diff --git a/spec/lib/tasks/full_import_spec.rb b/spec/lib/tasks/full_import_spec.rb
index 0b8d3bd9a..b95b370cd 100644
--- a/spec/lib/tasks/full_import_spec.rb
+++ b/spec/lib/tasks/full_import_spec.rb
@@ -77,10 +77,10 @@ describe "full import", type: :task do
         allow(Imports::OrganisationRentPeriodImportService).to receive(:new).and_return(instance_double(Imports::OrganisationRentPeriodImportService))
       end
 
-      it "creates a report using given organisation csv" do
+      it "does not write a report if there were no errors" do
         expect(Storage::S3Service).to receive(:new).with(env_config_service, instance_name)
-        expect(storage_service).to receive(:write_file).with("some_name_1_initial.log", / INFO -- : Performing initial imports for organisation org1/)
-        expect(storage_service).to receive(:write_file).with("some_name_2_initial.log", / INFO -- : Performing initial imports for organisation org2/)
+        expect(storage_service).not_to receive(:write_file).with("some_name_1_initial.log", "")
+        expect(storage_service).not_to receive(:write_file).with("some_name_2_initial.log", "")
 
         task.invoke("some_name.csv")
       end
@@ -106,10 +106,10 @@ describe "full import", type: :task do
         allow(Imports::SalesLogsImportService).to receive(:new).and_return(instance_double(Imports::SalesLogsImportService))
       end
 
-      it "creates a report using given organisation csv" do
+      it "does not write a report if there were no errors" do
         expect(Storage::S3Service).to receive(:new).with(env_config_service, instance_name)
-        expect(storage_service).to receive(:write_file).with("some_name_1_logs.log", / INFO -- : Importing logs for organisation org1, expecting 0 logs/)
-        expect(storage_service).to receive(:write_file).with("some_name_2_logs.log", / INFO -- : Importing logs for organisation org2, expecting 0 logs/)
+        expect(storage_service).not_to receive(:write_file).with("some_name_1_logs.log", "")
+        expect(storage_service).not_to receive(:write_file).with("some_name_2_logs.log", "")
 
         task.invoke("some_name.csv")
       end
diff --git a/spec/services/imports/lettings_logs_import_service_spec.rb b/spec/services/imports/lettings_logs_import_service_spec.rb
index 738d2ed39..8986710d9 100644
--- a/spec/services/imports/lettings_logs_import_service_spec.rb
+++ b/spec/services/imports/lettings_logs_import_service_spec.rb
@@ -14,7 +14,9 @@ RSpec.describe Imports::LettingsLogsImportService do
     end
 
     let(:storage_service) { instance_double(Storage::S3Service) }
-    let(:logger) { instance_double(ActiveSupport::Logger) }
+    let(:logs_string) { StringIO.new }
+    let(:file_logger) { Logger.new(logs_string) }
+    let(:logger) { MultiLogger.new(file_logger) }
 
     let(:real_2021_2022_form) { Form.new("config/forms/2021_2022.json") }
     let(:real_2022_2023_form) { Form.new("config/forms/2022_2023.json") }
@@ -328,6 +330,24 @@ RSpec.describe Imports::LettingsLogsImportService do
         end
       end
 
+      context "and submitted log has errors" do
+        let(:lettings_log_id) { "0ead17cb-1668-442d-898c-0d52879ff592" }
+
+        before do
+          lettings_log_xml.at_xpath("//meta:status").content = "submitted"
+          lettings_log_xml.at_xpath("//xmlns:HHMEMB").content = "32"
+        end
+
+        it "logs the error" do
+          expect { lettings_log_service.send(:create_log, lettings_log_xml) }
+          .to raise_error(ActiveRecord::RecordInvalid)
+
+          expect(logs_string.string).to include("Failed to import")
+          expect(logs_string.string).to include("ERROR -- : Validation error: Field hhmemb")
+          expect(logs_string.string).to include("Error message: outside_the_range")
+        end
+      end
+
       context "and this is an internal transfer from a non social housing" do
         before do
           lettings_log_xml.at_xpath("//xmlns:Q11").content = "9 Residential care home"
@@ -1048,7 +1068,9 @@ RSpec.describe Imports::LettingsLogsImportService do
     end
 
     let(:storage_service) { instance_double(Storage::S3Service) }
-    let(:logger) { instance_double(ActiveSupport::Logger) }
+    let(:logs_string) { StringIO.new }
+    let(:file_logger) { Logger.new(logs_string) }
+    let(:logger) { MultiLogger.new(file_logger) }
 
     let(:real_2021_2022_form) { Form.new("config/forms/2021_2022.json") }
     let(:real_2022_2023_form) { Form.new("config/forms/2022_2023.json") }
diff --git a/spec/services/imports/organisation_import_service_spec.rb b/spec/services/imports/organisation_import_service_spec.rb
index 8496c046f..41e843e3c 100644
--- a/spec/services/imports/organisation_import_service_spec.rb
+++ b/spec/services/imports/organisation_import_service_spec.rb
@@ -3,7 +3,7 @@ require "rails_helper"
 RSpec.describe Imports::OrganisationImportService do
   let(:storage_service) { instance_double(Storage::S3Service) }
   let(:logs_string) { StringIO.new }
-  let(:logger) { MultiLogger.new(Rails.logger, Logger.new(logs_string)) }
+  let(:logger) { MultiLogger.new(logs_string) }
   let(:folder_name) { "organisations" }
   let(:filenames) { %w[my_folder/my_file1.xml my_folder/my_file2.xml] }
   let(:fixture_directory) { "spec/fixtures/imports/institution" }
@@ -87,7 +87,7 @@ RSpec.describe Imports::OrganisationImportService do
 
       expect { import_service.create_organisations(folder_name) }.to change(Organisation, :count).by(1)
       expect { import_service.create_organisations(folder_name) }.to change(Organisation, :count).by(0)
-      expect(logs_string.string).to include("Organisation my_new_organisation is already present with old visible ID 1, skipping.")
+      expect(logs_string.string).not_to include("Organisation my_new_organisation is already present with old visible ID 1, skipping.")
 
       expect(Organisation).to exist(old_visible_id: "1", name: "HA Ltd")
     end