diff --git a/VERSION.txt b/VERSION.txt
index ed45e0a6e8..831c6cd600 100644
--- a/VERSION.txt
+++ b/VERSION.txt
@@ -1 +1 @@
-5.1.10
\ No newline at end of file
+5.1.11
\ No newline at end of file
diff --git a/app/Http/Middleware/UserVerified.php b/app/Http/Middleware/UserVerified.php
index 35a0acdeea..ce8a899764 100644
--- a/app/Http/Middleware/UserVerified.php
+++ b/app/Http/Middleware/UserVerified.php
@@ -26,7 +26,7 @@ class UserVerified
 
     public function __construct(?User $user)
     {
-        $this->user = $user ?: auth()->user();
+        $this->user = property_exists($user, 'id') ? $user : auth()->user();
     }
 
     /**
@@ -44,6 +44,10 @@ class UserVerified
             'errors' => new \stdClass,
         ];
 
+        // nlog(auth()->user()->toArray());
+        // nlog($this->user->toArray());
+        // nlog((bool)$this->user->isVerified());
+
         if ($this->user && !$this->user->isVerified()) 
             return response()->json($error, 403);
         
diff --git a/app/Mail/Engine/CreditEmailEngine.php b/app/Mail/Engine/CreditEmailEngine.php
index c97827b0fd..835c9d47ae 100644
--- a/app/Mail/Engine/CreditEmailEngine.php
+++ b/app/Mail/Engine/CreditEmailEngine.php
@@ -89,7 +89,9 @@ class CreditEmailEngine extends BaseEmailEngine
             ->setInvitation($this->invitation);
 
         if ($this->client->getSetting('pdf_email_attachment') !== false) {
-            $this->setAttachments(['path' => $this->credit->pdf_file_path(), 'name' => basename($this->credit->pdf_file_path())]);
+            $this->setAttachments([$this->credit->pdf_file_path()]);
+
+            // $this->setAttachments(['path' => $this->credit->pdf_file_path(), 'name' => basename($this->credit->pdf_file_path())]);
         }
 
         //attach third party documents
diff --git a/app/Mail/Engine/QuoteEmailEngine.php b/app/Mail/Engine/QuoteEmailEngine.php
index a79a1fa077..5751cdf5ac 100644
--- a/app/Mail/Engine/QuoteEmailEngine.php
+++ b/app/Mail/Engine/QuoteEmailEngine.php
@@ -90,8 +90,8 @@ class QuoteEmailEngine extends BaseEmailEngine
 
 
         if ($this->client->getSetting('pdf_email_attachment') !== false) {
-            // $this->setAttachments([$this->quote->pdf_file_path()]);
-            $this->setAttachments(['path' => $this->quote->pdf_file_path(), 'name' => basename($this->quote->pdf_file_path())]);
+            $this->setAttachments([$this->quote->pdf_file_path()]);
+            //$this->setAttachments(['path' => $this->quote->pdf_file_path(), 'name' => basename($this->quote->pdf_file_path())]);
 
         }
 
diff --git a/app/Models/Company.php b/app/Models/Company.php
index 97f376d231..8706ff03f8 100644
--- a/app/Models/Company.php
+++ b/app/Models/Company.php
@@ -85,6 +85,7 @@ class Company extends BaseModel
         'expense_inclusive_taxes',
         'session_timeout',
         'oauth_password_required',
+        'invoice_task_datelog',
     ];
 
     protected $hidden = [
diff --git a/app/Models/Presenters/CompanyPresenter.php b/app/Models/Presenters/CompanyPresenter.php
index fec12b9eac..10410d9a8a 100644
--- a/app/Models/Presenters/CompanyPresenter.php
+++ b/app/Models/Presenters/CompanyPresenter.php
@@ -91,13 +91,13 @@ class CompanyPresenter extends EntityPresenter
         }
     }
 
-    public function getSpcQrCode($client_currency, $invoice_number, $balance)
+    public function getSpcQrCode($client_currency, $invoice_number, $balance_due_raw)
     {
         $settings = $this->entity->settings;
 
         return 
 
-        "SPC\n0200\n1\nCH860021421411198240K\nK\n{$this->name}\n{$settings->address1}\n{$settings->postal_code} {$settings->city}\n\n\nCH\n\n\n\n\n\n\n\n{$balance}\n{$client_currency}\n\n\n\n\n\n\n\nNON\n\n{$invoice_number}\nEPD\n";
+        "SPC\n0200\n1\nCH860021421411198240K\nK\n{$this->name}\n{$settings->address1}\n{$settings->postal_code} {$settings->city}\n\n\nCH\n\n\n\n\n\n\n\n{$balance_due_raw}\n{$client_currency}\n\n\n\n\n\n\n\nNON\n\n{$invoice_number}\nEPD\n";
     }
 
 }
diff --git a/app/Models/Quote.php b/app/Models/Quote.php
index 9038c6ef3b..1f2b740ea8 100644
--- a/app/Models/Quote.php
+++ b/app/Models/Quote.php
@@ -200,25 +200,27 @@ class Quote extends BaseModel
         return new QuoteService($this);
     }
 
+
     public function pdf_file_path($invitation = null, string $type = 'url')
     {
         if (! $invitation) {
-            $invitation = $this->invitations->where('client_contact_id', $this->client->primary_contact()->first()->id)->first();
+            $invitation = $this->invitations->first();
         }
 
         $storage_path = Storage::$type($this->client->quote_filepath().$this->number.'.pdf');
 
-        if (Storage::exists($this->client->quote_filepath().$this->number.'.pdf')) {
-            return $storage_path;
+        nlog($storage_path);
+
+        if (! Storage::exists($this->client->quote_filepath().$this->number.'.pdf')) {
+            event(new QuoteWasUpdated($this, $this->company, Ninja::eventVars()));
+            CreateEntityPdf::dispatchNow($invitation);
         }
 
-        event(new QuoteWasUpdated($this, $this->company, Ninja::eventVars()));
-
-        CreateEntityPdf::dispatchNow($invitation);
-
         return $storage_path;
     }
 
+
+
     /**
      * @param int $status
      * @return string
diff --git a/app/Observers/CreditObserver.php b/app/Observers/CreditObserver.php
index 9969f7f02c..fd7f3d2d25 100644
--- a/app/Observers/CreditObserver.php
+++ b/app/Observers/CreditObserver.php
@@ -37,7 +37,7 @@ class CreditObserver
      */
     public function updated(Credit $credit)
     {
-        UnlinkFile::dispatchNow(config('filesystems.default'), $credit->client->credit_filepath() . $credit->number.'.pdf');
+
     }
 
     /**
diff --git a/app/Observers/QuoteObserver.php b/app/Observers/QuoteObserver.php
index f2a9471111..1530b99a38 100644
--- a/app/Observers/QuoteObserver.php
+++ b/app/Observers/QuoteObserver.php
@@ -51,8 +51,6 @@ class QuoteObserver
             WebhookHandler::dispatch(Webhook::EVENT_UPDATE_QUOTE, $quote, $quote->company);
         }
 
-        UnlinkFile::dispatchNow(config('filesystems.default'), $quote->client->quote_filepath() . $quote->number.'.pdf');
-
     }
 
     /**
diff --git a/config/ninja.php b/config/ninja.php
index e2e6cf03b9..39402be587 100644
--- a/config/ninja.php
+++ b/config/ninja.php
@@ -13,7 +13,7 @@ return [
     'require_https' => env('REQUIRE_HTTPS', true),
     'app_url' => rtrim(env('APP_URL', ''), '/'),
     'app_domain' => env('APP_DOMAIN', ''),
-    'app_version' => '5.1.10',
+    'app_version' => '5.1.11',
     'minimum_client_version' => '5.0.16',
     'terms_version' => '1.0.1',
     'api_secret' => env('API_SECRET', false),
diff --git a/database/migrations/2021_02_27_091713_add_invoice_task_datelog_property.php b/database/migrations/2021_02_27_091713_add_invoice_task_datelog_property.php
new file mode 100644
index 0000000000..3267ab7778
--- /dev/null
+++ b/database/migrations/2021_02_27_091713_add_invoice_task_datelog_property.php
@@ -0,0 +1,31 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AddInvoiceTaskDatelogProperty extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('companies', function(Blueprint $table){
+            $table->boolean('invoice_task_datelog')->default(0);
+        });
+
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        //
+    }
+}
diff --git a/tests/Unit/RangeDetectionTest.php b/tests/Unit/RangeDetectionTest.php
new file mode 100644
index 0000000000..d00d7b2036
--- /dev/null
+++ b/tests/Unit/RangeDetectionTest.php
@@ -0,0 +1,55 @@
+<?php
+/**
+ * Invoice Ninja (https://invoiceninja.com).
+ *
+ * @link https://github.com/invoiceninja/invoiceninja source repository
+ *
+ * @copyright Copyright (c) 2021. Invoice Ninja LLC (https://invoiceninja.com)
+ *
+ * @license https://opensource.org/licenses/AAL
+ */
+namespace Tests\Unit;
+
+use Illuminate\Foundation\Testing\DatabaseTransactions;
+use Tests\TestCase;
+
+/**
+ * @test
+ */
+class RangeDetectionTest extends TestCase
+{
+
+    public function setUp() :void
+    {
+        parent::setUp();
+    }
+
+    public function test_range_detection()
+    {
+        $ranges = [];
+        $ranges[] = [100, 105];
+        $ranges[] = [106, 110];
+        $ranges[] = [110, 115];
+
+        $expanded_ranges = [];
+
+        foreach($ranges as $range)
+        {
+            $expanded_ranges[] = $this->makeRanges($range);
+        }
+
+        foreach($ranges as $range)
+        {
+            
+        }
+
+    }
+
+    private function makeRanges(array $range)
+    {
+
+        return range($range[0], $range[1]);
+
+    }
+
+}