diff --git a/app/Http/Controllers/Reports/ARDetailReportController.php b/app/Http/Controllers/Reports/ARDetailReportController.php
index 1d37848222..1d3183a41d 100644
--- a/app/Http/Controllers/Reports/ARDetailReportController.php
+++ b/app/Http/Controllers/Reports/ARDetailReportController.php
@@ -11,11 +11,12 @@
 
 namespace App\Http\Controllers\Reports;
 
+use App\Utils\Traits\MakesHash;
+use App\Jobs\Report\SendToAdmin;
+use App\Jobs\Report\PreviewReport;
+use App\Services\Report\ARDetailReport;
 use App\Http\Controllers\BaseController;
 use App\Http\Requests\Report\GenericReportRequest;
-use App\Jobs\Report\SendToAdmin;
-use App\Services\Report\ARDetailReport;
-use App\Utils\Traits\MakesHash;
 
 class ARDetailReportController extends BaseController
 {
@@ -61,24 +62,21 @@ class ARDetailReportController extends BaseController
      */
     public function __invoke(GenericReportRequest $request)
     {
+
+        /** @var \App\Models\User $user */
+        $user = auth()->user();
+
         if ($request->has('send_email') && $request->get('send_email')) {
-            SendToAdmin::dispatch(auth()->user()->company(), $request->all(), ARDetailReport::class, $this->filename);
+            SendToAdmin::dispatch($user->company(), $request->all(), ARDetailReport::class, $this->filename);
 
             return response()->json(['message' => 'working...'], 200);
         }
-        // expect a list of visible fields, or use the default
 
-        $export = new ARDetailReport(auth()->user()->company(), $request->all());
+        $hash = \Illuminate\Support\Str::uuid();
 
-        $csv = $export->run();
+        PreviewReport::dispatch($user->company(), $request->all(), ARDetailReport::class, $hash);
 
-        $headers = [
-            'Content-Disposition' => 'attachment',
-            'Content-Type' => 'text/csv',
-        ];
+        return response()->json(['message' => $hash], 200);
 
-        return response()->streamDownload(function () use ($csv) {
-            echo $csv;
-        }, $this->filename, $headers);
     }
 }
diff --git a/app/Http/Controllers/Reports/ARSummaryReportController.php b/app/Http/Controllers/Reports/ARSummaryReportController.php
index cde4779451..0898c9e408 100644
--- a/app/Http/Controllers/Reports/ARSummaryReportController.php
+++ b/app/Http/Controllers/Reports/ARSummaryReportController.php
@@ -11,11 +11,12 @@
 
 namespace App\Http\Controllers\Reports;
 
-use App\Http\Controllers\BaseController;
-use App\Http\Requests\Report\GenericReportRequest;
-use App\Jobs\Report\SendToAdmin;
-use App\Services\Report\ARSummaryReport;
 use App\Utils\Traits\MakesHash;
+use App\Jobs\Report\SendToAdmin;
+use App\Jobs\Report\PreviewReport;
+use App\Http\Controllers\BaseController;
+use App\Services\Report\ARSummaryReport;
+use App\Http\Requests\Report\GenericReportRequest;
 
 class ARSummaryReportController extends BaseController
 {
@@ -71,17 +72,11 @@ class ARSummaryReportController extends BaseController
         }
         // expect a list of visible fields, or use the default
 
-        $export = new ARSummaryReport($user->company(), $request->all());
+        $hash = \Illuminate\Support\Str::uuid();
 
-        $csv = $export->run();
+        PreviewReport::dispatch($user->company(), $request->all(), ARSummaryReport::class, $hash);
 
-        $headers = [
-            'Content-Disposition' => 'attachment',
-            'Content-Type' => 'text/csv',
-        ];
+        return response()->json(['message' => $hash], 200);
 
-        return response()->streamDownload(function () use ($csv) {
-            echo $csv;
-        }, $this->filename, $headers);
     }
 }
diff --git a/app/Http/Controllers/Reports/ClientBalanceReportController.php b/app/Http/Controllers/Reports/ClientBalanceReportController.php
index c29b0a213a..d3b1859dd0 100644
--- a/app/Http/Controllers/Reports/ClientBalanceReportController.php
+++ b/app/Http/Controllers/Reports/ClientBalanceReportController.php
@@ -11,11 +11,12 @@
 
 namespace App\Http\Controllers\Reports;
 
-use App\Http\Controllers\BaseController;
-use App\Http\Requests\Report\GenericReportRequest;
-use App\Jobs\Report\SendToAdmin;
-use App\Services\Report\ClientBalanceReport;
 use App\Utils\Traits\MakesHash;
+use App\Jobs\Report\SendToAdmin;
+use App\Jobs\Report\PreviewReport;
+use App\Http\Controllers\BaseController;
+use App\Services\Report\ClientBalanceReport;
+use App\Http\Requests\Report\GenericReportRequest;
 
 class ClientBalanceReportController extends BaseController
 {
@@ -61,24 +62,20 @@ class ClientBalanceReportController extends BaseController
      */
     public function __invoke(GenericReportRequest $request)
     {
+        /** @var \App\Models\User $user */
+        $user = auth()->user();
+
         if ($request->has('send_email') && $request->get('send_email')) {
-            SendToAdmin::dispatch(auth()->user()->company(), $request->all(), ClientBalanceReport::class, $this->filename);
+            SendToAdmin::dispatch($user->company(), $request->all(), ClientBalanceReport::class, $this->filename);
 
             return response()->json(['message' => 'working...'], 200);
         }
-        // expect a list of visible fields, or use the default
 
-        $export = new ClientBalanceReport(auth()->user()->company(), $request->all());
+        $hash = \Illuminate\Support\Str::uuid();
 
-        $csv = $export->run();
+        PreviewReport::dispatch($user->company(), $request->all(), ClientBalanceReport::class, $hash);
 
-        $headers = [
-            'Content-Disposition' => 'attachment',
-            'Content-Type' => 'text/csv',
-        ];
+        return response()->json(['message' => $hash], 200);
 
-        return response()->streamDownload(function () use ($csv) {
-            echo $csv;
-        }, $this->filename, $headers);
     }
 }
diff --git a/app/Http/Controllers/Reports/ClientSalesReportController.php b/app/Http/Controllers/Reports/ClientSalesReportController.php
index 63c0ac69fe..612986f421 100644
--- a/app/Http/Controllers/Reports/ClientSalesReportController.php
+++ b/app/Http/Controllers/Reports/ClientSalesReportController.php
@@ -11,11 +11,12 @@
 
 namespace App\Http\Controllers\Reports;
 
-use App\Http\Controllers\BaseController;
-use App\Http\Requests\Report\GenericReportRequest;
-use App\Jobs\Report\SendToAdmin;
-use App\Services\Report\ClientSalesReport;
 use App\Utils\Traits\MakesHash;
+use App\Jobs\Report\SendToAdmin;
+use App\Jobs\Report\PreviewReport;
+use App\Http\Controllers\BaseController;
+use App\Services\Report\ClientSalesReport;
+use App\Http\Requests\Report\GenericReportRequest;
 
 class ClientSalesReportController extends BaseController
 {
@@ -61,24 +62,20 @@ class ClientSalesReportController extends BaseController
      */
     public function __invoke(GenericReportRequest $request)
     {
+        /** @var \App\Models\User $user */
+        $user = auth()->user();
+
         if ($request->has('send_email') && $request->get('send_email')) {
-            SendToAdmin::dispatch(auth()->user()->company(), $request->all(), ClientSalesReport::class, $this->filename);
+            SendToAdmin::dispatch($user->company(), $request->all(), ClientSalesReport::class, $this->filename);
 
             return response()->json(['message' => 'working...'], 200);
         }
-        // expect a list of visible fields, or use the default
 
-        $export = new ClientSalesReport(auth()->user()->company(), $request->all());
+        $hash = \Illuminate\Support\Str::uuid();
 
-        $csv = $export->run();
+        PreviewReport::dispatch($user->company(), $request->all(), ClientSalesReport::class, $hash);
 
-        $headers = [
-            'Content-Disposition' => 'attachment',
-            'Content-Type' => 'text/csv',
-        ];
+        return response()->json(['message' => $hash], 200);
 
-        return response()->streamDownload(function () use ($csv) {
-            echo $csv;
-        }, $this->filename, $headers);
     }
 }
diff --git a/app/Http/Controllers/Reports/ProductSalesReportController.php b/app/Http/Controllers/Reports/ProductSalesReportController.php
index f27de4b193..a2b8902db8 100644
--- a/app/Http/Controllers/Reports/ProductSalesReportController.php
+++ b/app/Http/Controllers/Reports/ProductSalesReportController.php
@@ -11,13 +11,14 @@
 
 namespace App\Http\Controllers\Reports;
 
+use App\Models\Client;
+use Illuminate\Http\Response;
+use App\Utils\Traits\MakesHash;
+use App\Jobs\Report\SendToAdmin;
+use App\Jobs\Report\PreviewReport;
 use App\Export\CSV\ProductSalesExport;
 use App\Http\Controllers\BaseController;
 use App\Http\Requests\Report\ProductSalesReportRequest;
-use App\Jobs\Report\SendToAdmin;
-use App\Models\Client;
-use App\Utils\Traits\MakesHash;
-use Illuminate\Http\Response;
 
 class ProductSalesReportController extends BaseController
 {
@@ -63,24 +64,20 @@ class ProductSalesReportController extends BaseController
      */
     public function __invoke(ProductSalesReportRequest $request)
     {
+        /** @var \App\Models\User $user */
+        $user = auth()->user();
+
         if ($request->has('send_email') && $request->get('send_email')) {
-            SendToAdmin::dispatch(auth()->user()->company(), $request->all(), ProductSalesExport::class, $this->filename);
+            SendToAdmin::dispatch($user->company(), $request->all(), ProductSalesExport::class, $this->filename);
 
             return response()->json(['message' => 'working...'], 200);
         }
-        // expect a list of visible fields, or use the default
 
-        $export = new ProductSalesExport(auth()->user()->company(), $request->all());
+        $hash = \Illuminate\Support\Str::uuid();
 
-        $csv = $export->run();
+        PreviewReport::dispatch($user->company(), $request->all(), ProductSalesExport::class, $hash);
 
-        $headers = [
-            'Content-Disposition' => 'attachment',
-            'Content-Type' => 'text/csv',
-        ];
+        return response()->json(['message' => $hash], 200);
 
-        return response()->streamDownload(function () use ($csv) {
-            echo $csv;
-        }, $this->filename, $headers);
     }
 }
diff --git a/app/Http/Controllers/Reports/ProfitAndLossController.php b/app/Http/Controllers/Reports/ProfitAndLossController.php
index 26e860f16b..18e575dd8d 100644
--- a/app/Http/Controllers/Reports/ProfitAndLossController.php
+++ b/app/Http/Controllers/Reports/ProfitAndLossController.php
@@ -11,13 +11,14 @@
 
 namespace App\Http\Controllers\Reports;
 
+use App\Models\Client;
+use Illuminate\Http\Response;
+use App\Utils\Traits\MakesHash;
+use App\Jobs\Report\SendToAdmin;
+use App\Jobs\Report\PreviewReport;
+use App\Services\Report\ProfitLoss;
 use App\Http\Controllers\BaseController;
 use App\Http\Requests\Report\ProfitLossRequest;
-use App\Jobs\Report\SendToAdmin;
-use App\Models\Client;
-use App\Services\Report\ProfitLoss;
-use App\Utils\Traits\MakesHash;
-use Illuminate\Http\Response;
 
 class ProfitAndLossController extends BaseController
 {
@@ -71,18 +72,13 @@ class ProfitAndLossController extends BaseController
 
             return response()->json(['message' => 'working...'], 200);
         }
-        // expect a list of visible fields, or use the default
 
-        $pnl = new ProfitLoss($user->company(), $request->all());
-        $csv = $pnl->run();
+        $hash = \Illuminate\Support\Str::uuid();
+
+        PreviewReport::dispatch($user->company(), $request->all(), ProfitLoss::class, $hash);
+
+        return response()->json(['message' => $hash], 200);
 
-        $headers = [
-            'Content-Disposition' => 'attachment',
-            'Content-Type' => 'text/csv',
-        ];
 
-        return response()->streamDownload(function () use ($csv) {
-            echo $csv;
-        }, $this->filename, $headers);
     }
 }
diff --git a/app/Http/Controllers/Reports/TaxSummaryReportController.php b/app/Http/Controllers/Reports/TaxSummaryReportController.php
index b199eadcc1..08b978a003 100644
--- a/app/Http/Controllers/Reports/TaxSummaryReportController.php
+++ b/app/Http/Controllers/Reports/TaxSummaryReportController.php
@@ -11,11 +11,12 @@
 
 namespace App\Http\Controllers\Reports;
 
-use App\Http\Controllers\BaseController;
-use App\Http\Requests\Report\GenericReportRequest;
-use App\Jobs\Report\SendToAdmin;
-use App\Services\Report\TaxSummaryReport;
 use App\Utils\Traits\MakesHash;
+use App\Jobs\Report\SendToAdmin;
+use App\Jobs\Report\PreviewReport;
+use App\Http\Controllers\BaseController;
+use App\Services\Report\TaxSummaryReport;
+use App\Http\Requests\Report\GenericReportRequest;
 
 class TaxSummaryReportController extends BaseController
 {
@@ -61,24 +62,21 @@ class TaxSummaryReportController extends BaseController
      */
     public function __invoke(GenericReportRequest $request)
     {
+
+        /** @var \App\Models\User $user */
+        $user = auth()->user();
+
         if ($request->has('send_email') && $request->get('send_email')) {
-            SendToAdmin::dispatch(auth()->user()->company(), $request->all(), TaxSummaryReport::class, $this->filename);
+            SendToAdmin::dispatch($user->company(), $request->all(), TaxSummaryReport::class, $this->filename);
 
             return response()->json(['message' => 'working...'], 200);
         }
-        // expect a list of visible fields, or use the default
 
-        $export = new TaxSummaryReport(auth()->user()->company(), $request->all());
+        $hash = \Illuminate\Support\Str::uuid();
 
-        $csv = $export->run();
+        PreviewReport::dispatch($user->company(), $request->all(), TaxSummaryReport::class, $hash);
 
-        $headers = [
-            'Content-Disposition' => 'attachment',
-            'Content-Type' => 'text/csv',
-        ];
+        return response()->json(['message' => $hash], 200);
 
-        return response()->streamDownload(function () use ($csv) {
-            echo $csv;
-        }, $this->filename, $headers);
     }
 }
diff --git a/app/Http/Controllers/Reports/UserSalesReportController.php b/app/Http/Controllers/Reports/UserSalesReportController.php
index 2d80995791..c26e7dd35d 100644
--- a/app/Http/Controllers/Reports/UserSalesReportController.php
+++ b/app/Http/Controllers/Reports/UserSalesReportController.php
@@ -11,11 +11,12 @@
 
 namespace App\Http\Controllers\Reports;
 
-use App\Http\Controllers\BaseController;
-use App\Http\Requests\Report\GenericReportRequest;
-use App\Jobs\Report\SendToAdmin;
-use App\Services\Report\UserSalesReport;
 use App\Utils\Traits\MakesHash;
+use App\Jobs\Report\SendToAdmin;
+use App\Jobs\Report\PreviewReport;
+use App\Http\Controllers\BaseController;
+use App\Services\Report\UserSalesReport;
+use App\Http\Requests\Report\GenericReportRequest;
 
 class UserSalesReportController extends BaseController
 {
@@ -61,24 +62,20 @@ class UserSalesReportController extends BaseController
      */
     public function __invoke(GenericReportRequest $request)
     {
+        /** @var \App\Models\User $user */
+        $user = auth()->user();
+
         if ($request->has('send_email') && $request->get('send_email')) {
-            SendToAdmin::dispatch(auth()->user()->company(), $request->all(), UserSalesReport::class, $this->filename);
+            SendToAdmin::dispatch($user->company(), $request->all(), UserSalesReport::class, $this->filename);
 
             return response()->json(['message' => 'working...'], 200);
         }
-        // expect a list of visible fields, or use the default
 
-        $export = new UserSalesReport(auth()->user()->company(), $request->all());
+        $hash = \Illuminate\Support\Str::uuid();
 
-        $csv = $export->run();
+        PreviewReport::dispatch($user->company(), $request->all(), UserSalesReport::class, $hash);
 
-        $headers = [
-            'Content-Disposition' => 'attachment',
-            'Content-Type' => 'text/csv',
-        ];
+        return response()->json(['message' => $hash], 200);
 
-        return response()->streamDownload(function () use ($csv) {
-            echo $csv;
-        }, $this->filename, $headers);
     }
 }
diff --git a/app/Http/Middleware/Locale.php b/app/Http/Middleware/Locale.php
index cea5b9b8f7..5f7f2006f3 100644
--- a/app/Http/Middleware/Locale.php
+++ b/app/Http/Middleware/Locale.php
@@ -27,8 +27,8 @@ class Locale
     public function handle($request, Closure $next)
     {
         /*LOCALE SET */
-        if ($request->has('lang')) {
-            $locale = $request->input('lang');
+        if ($request->has('lang') && is_string($request->input('lang'))) {
+            $locale = $request->string('lang','en');
             App::setLocale($locale);
         } elseif (auth()->guard('contact')->user()) {
             App::setLocale(auth()->guard('contact')->user()->client()->setEagerLoads([])->first()->locale());
diff --git a/app/Http/Middleware/SetEmailDb.php b/app/Http/Middleware/SetEmailDb.php
index d2dd3190c2..fa02b2c759 100644
--- a/app/Http/Middleware/SetEmailDb.php
+++ b/app/Http/Middleware/SetEmailDb.php
@@ -32,7 +32,7 @@ class SetEmailDb
             'errors' => new stdClass,
         ];
 
-        if ($request->input('email') && config('ninja.db.multi_db_enabled')) {
+        if ($request->input('email') && is_string($request->input('email')) && config('ninja.db.multi_db_enabled')) {
             if (! MultiDB::userFindAndSetDb($request->input('email'))) {
                 return response()->json($error, 400);
             }
diff --git a/app/Http/Middleware/VendorLocale.php b/app/Http/Middleware/VendorLocale.php
index abca08b9e3..17ae99c62e 100644
--- a/app/Http/Middleware/VendorLocale.php
+++ b/app/Http/Middleware/VendorLocale.php
@@ -32,7 +32,7 @@ class VendorLocale
         }
 
         /*LOCALE SET */
-        if ($request->has('lang')) {
+        if ($request->has('lang') && is_string($request->input('lang'))) {
             $locale = $request->input('lang');
             App::setLocale($locale);
         } elseif (auth()->guard('vendor')->user()) {
diff --git a/app/Services/Report/TaxSummaryReport.php b/app/Services/Report/TaxSummaryReport.php
index aaf313eaf2..3f1b67512e 100644
--- a/app/Services/Report/TaxSummaryReport.php
+++ b/app/Services/Report/TaxSummaryReport.php
@@ -113,12 +113,15 @@ class TaxSummaryReport extends BaseExport
                 
                 if(in_array($invoice->status_id, [Invoice::STATUS_PARTIAL,Invoice::STATUS_PAID])) {
 
-                    if($invoice->status_id == Invoice::STATUS_PAID) {
-                        $cash_map[$key]['tax_amount'] += $tax['total'];
-                    } else {
-                        $cash_map[$key]['tax_amount'] += (($invoice->amount - $invoice->balance) / $invoice->balance) * $tax['total'] ?? 0;
+                    try {
+                        if($invoice->status_id == Invoice::STATUS_PAID) {
+                            $cash_map[$key]['tax_amount'] += $tax['total'];
+                        } else {
+                            $cash_map[$key]['tax_amount'] += (($invoice->amount - $invoice->balance) / $invoice->balance) * $tax['total'] ?? 0;
+                        }
+                    } catch(\DivisionByZeroError $e) {
+                        $cash_map[$key]['tax_amount'] += 0;
                     }
-
                 }
             }