diff --git a/api/app/Http/Controllers/V1/Components/MltdController.php b/api/app/Http/Controllers/V1/Components/MltdController.php
index faf78c4..3c721ce 100644
--- a/api/app/Http/Controllers/V1/Components/MltdController.php
+++ b/api/app/Http/Controllers/V1/Components/MltdController.php
@@ -82,6 +82,12 @@ class MltdController extends Controller
 
     public function count(Request $request)
     {
+        if (!Schema::hasTable('mltd')) {
+            return response()->json([
+                'error' => 'Relation for MLTD component does not exist'
+            ], 503);
+        }
+
         if ($request->has('start')) {
             $start = Carbon::parse($request->get('start'));
         } else {
diff --git a/api/app/Http/Controllers/V1/Components/OdController.php b/api/app/Http/Controllers/V1/Components/OdController.php
index aaa0584..086f723 100644
--- a/api/app/Http/Controllers/V1/Components/OdController.php
+++ b/api/app/Http/Controllers/V1/Components/OdController.php
@@ -7,6 +7,7 @@ use Carbon\Carbon;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Http;
+use Illuminate\Support\Facades\Schema;
 
 class OdController extends Controller
 {
@@ -85,6 +86,12 @@ class OdController extends Controller
 
     public function count(Request $request)
     {
+        if (!Schema::hasTable('od')) {
+            return response()->json([
+                'error' => 'Relation for OD component does not exist'
+            ], 503);
+        }
+
         if ($request->has('start')) {
             $start = Carbon::parse($request->get('start'));
         } else {