diff --git a/database/seeders/Dummy/DummyPurchaseSeeder.php b/database/seeders/Dummy/DummyPurchaseSeeder.php
index 2b7fb22..ae3ef62 100644
--- a/database/seeders/Dummy/DummyPurchaseSeeder.php
+++ b/database/seeders/Dummy/DummyPurchaseSeeder.php
@@ -24,8 +24,15 @@ public function run(): void
         // 거래처 매핑 (PURCHASE, BOTH만)
         $clients = Client::where('tenant_id', $tenantId)
             ->whereIn('client_type', ['PURCHASE', 'BOTH'])
-            ->get()
-            ->keyBy('name');
+            ->get();
+
+        if ($clients->isEmpty()) {
+            $this->command->warn('   ⚠ purchases: 매입 거래처 없음 (스킵)');
+            return;
+        }
+
+        $clientsByName = $clients->keyBy('name');
+        $clientIds = $clients->pluck('id')->toArray();
 
         $clientNames = [
             '한화솔루션', '포스코', '롯데케미칼', 'GS칼텍스', '대한항공',
@@ -53,7 +60,14 @@ public function run(): void
                 $day = max(1, min($day, $daysInMonth));
 
                 $clientName = $clientNames[($count) % count($clientNames)];
-                $client = $clients->get($clientName);
+                $client = $clientsByName->get($clientName);
+
+                // 이름 매칭 실패 시 기존 클라이언트 중 랜덤 선택
+                if (!$client) {
+                    $clientId = $clientIds[array_rand($clientIds)];
+                    $client = $clients->firstWhere('id', $clientId);
+                    $clientName = $client->name;
+                }
 
                 $rand = rand(1, 100);
                 if ($rand <= 30) {
diff --git a/database/seeders/Dummy/DummySaleSeeder.php b/database/seeders/Dummy/DummySaleSeeder.php
index 64806db..1eab371 100644
--- a/database/seeders/Dummy/DummySaleSeeder.php
+++ b/database/seeders/Dummy/DummySaleSeeder.php
@@ -24,8 +24,15 @@ public function run(): void
         // 거래처 매핑 (SALES, BOTH만)
         $clients = Client::where('tenant_id', $tenantId)
             ->whereIn('client_type', ['SALES', 'BOTH'])
-            ->get()
-            ->keyBy('name');
+            ->get();
+
+        if ($clients->isEmpty()) {
+            $this->command->warn('   ⚠ sales: 매출 거래처 없음 (스킵)');
+            return;
+        }
+
+        $clientsByName = $clients->keyBy('name');
+        $clientIds = $clients->pluck('id')->toArray();
 
         $clientNames = [
             '삼성전자', 'LG전자', 'SK하이닉스', '현대자동차', '네이버',
@@ -54,7 +61,14 @@ public function run(): void
                 $day = max(1, min($day, $daysInMonth));
 
                 $clientName = $clientNames[($count) % count($clientNames)];
-                $client = $clients->get($clientName);
+                $client = $clientsByName->get($clientName);
+
+                // 이름 매칭 실패 시 기존 클라이언트 중 랜덤 선택
+                if (!$client) {
+                    $clientId = $clientIds[array_rand($clientIds)];
+                    $client = $clients->firstWhere('id', $clientId);
+                    $clientName = $client->name;
+                }
 
                 // 금액 결정
                 $rand = rand(1, 100);