diff --git a/app/services/imports/sales_logs_import_service.rb b/app/services/imports/sales_logs_import_service.rb
index c8aaad6f1..f1bffd5c1 100644
--- a/app/services/imports/sales_logs_import_service.rb
+++ b/app/services/imports/sales_logs_import_service.rb
@@ -259,6 +259,7 @@ module Imports
         %i[mortgage cannot_be_0] => %w[mortgage],
         %i[frombeds outside_the_range] => %w[frombeds],
         %i[age1 outside_the_range] => %w[age1 age1_known],
+        %i[proplen outside_the_range] => %w[proplen],
       }
 
       errors.each do |(error, fields)|
diff --git a/spec/services/imports/sales_logs_import_service_spec.rb b/spec/services/imports/sales_logs_import_service_spec.rb
index f91a11533..300577545 100644
--- a/spec/services/imports/sales_logs_import_service_spec.rb
+++ b/spec/services/imports/sales_logs_import_service_spec.rb
@@ -850,7 +850,7 @@ RSpec.describe Imports::SalesLogsImportService do
           .not_to raise_error
       end
 
-      it "clears out the referral answer" do
+      it "clears out the mortgage answer" do
         allow(logger).to receive(:warn)
 
         sales_log_service.send(:create_log, sales_log_xml)
@@ -861,6 +861,29 @@ RSpec.describe Imports::SalesLogsImportService do
       end
     end
 
+    context "when proplen is out of range" do
+      let(:sales_log_id) { "shared_ownership_sales_log" }
+
+      before do
+        sales_log_xml.at_xpath("//xmlns:Q16aProplen2").content = "2000"
+      end
+
+      it "intercepts the relevant validation error" do
+        expect { sales_log_service.send(:create_log, sales_log_xml) }
+          .not_to raise_error
+      end
+
+      it "clears out the proplen answer" do
+        allow(logger).to receive(:warn)
+
+        sales_log_service.send(:create_log, sales_log_xml)
+        sales_log = SalesLog.find_by(old_id: sales_log_id)
+
+        expect(sales_log).not_to be_nil
+        expect(sales_log.proplen).to be_nil
+      end
+    end
+
     context "and it has an invalid income 1" do
       let(:sales_log_id) { "shared_ownership_sales_log" }