Clear brent below absolute minimum

app/models/validations/financial_validations.rb

@@ -213,7 +213,7 @@ private
 
     if rent_range.present? && !weekly_value_in_range(record, "brent", rent_range.hard_min, rent_range.hard_max) && record.brent.present? && record.period.present?
       if record.weekly_value(record["brent"]) < rent_range.hard_min
-        record.errors.add :brent, I18n.t("validations.financial.brent.below_hard_min")
+        record.errors.add :brent, :below_hard_min, message: I18n.t("validations.financial.brent.below_hard_min")
         record.errors.add :beds, I18n.t("validations.financial.brent.beds.below_hard_min")
         record.errors.add :uprn, I18n.t("validations.financial.brent.uprn.below_hard_min")
         record.errors.add :la, I18n.t("validations.financial.brent.la.below_hard_min")

app/services/imports/lettings_logs_import_service.rb

@@ -317,6 +317,7 @@ module Imports
         %i[location_id not_active] => %w[location_id scheme_id],
         %i[tcharge under_10] => charges_attributes,
         %i[brent over_hard_max] => charges_attributes,
+        %i[brent below_hard_min] => charges_attributes,
         %i[period wrong_rent_period] => %w[period],
         %i[layear renewal_just_moved] => %w[layear],
         %i[voiddate after_mrcdate] => %w[voiddate mrcdate majorrepairs],

spec/services/imports/lettings_logs_import_service_spec.rb

@@ -770,6 +770,44 @@ RSpec.describe Imports::LettingsLogsImportService do
         end
       end
 
+      context "and rent is lower than the absolute minimum expected for a property " do
+        before do
+          LaRentRange.create!(
+            ranges_rent_id: "2",
+            la: "E08000035",
+            beds: 2,
+            lettype: 1,
+            soft_min: 12.41,
+            soft_max: 89.54,
+            hard_min: 12.87,
+            hard_max: 100.99,
+            start_year: 2021,
+          )
+
+          lettings_log_xml.at_xpath("//xmlns:Q18ai").content = "8"
+          lettings_log_xml.at_xpath("//xmlns:Q18aii").content = "1"
+          lettings_log_xml.at_xpath("//xmlns:Q18aiii").content = "1"
+          lettings_log_xml.at_xpath("//xmlns:Q18aiv").content = "1"
+          lettings_log_xml.at_xpath("//xmlns:Q18av").content = "11"
+          lettings_log_xml.at_xpath("//xmlns:Q17").content = "1"
+        end
+
+        it "intercepts the relevant validation error" do
+          expect { lettings_log_service.send(:create_log, lettings_log_xml) }
+            .not_to raise_error
+        end
+
+        it "clears out the charges answers" do
+          allow(logger).to receive(:warn)
+
+          lettings_log_service.send(:create_log, lettings_log_xml)
+          lettings_log = LettingsLog.find_by(old_id: lettings_log_id)
+
+          expect(lettings_log).not_to be_nil
+          expect(lettings_log.tcharge).to be_nil
+        end
+      end
+
       context "and location is not active during the period" do
         let(:lettings_log_id) { "0b4a68df-30cc-474a-93c0-a56ce8fdad3b" }