diff --git a/modules/EcommerceFinance/Repositories/AfterSalesCostRowRepository.php b/modules/EcommerceFinance/Repositories/AfterSalesCostRowRepository.php
index 2c64e266..76a8664b 100644
--- a/modules/EcommerceFinance/Repositories/AfterSalesCostRowRepository.php
+++ b/modules/EcommerceFinance/Repositories/AfterSalesCostRowRepository.php
@@ -16,6 +16,7 @@ use Illuminate\Support\Facades\Schema;
 class AfterSalesCostRowRepository
 {
     private const TABLE = 'ops_after_sales_cost_rows';
+    private const INTERNAL_ORDER_MAX_PREFIX_LENGTH = 11;
 
     private ?bool $available = null;
 
@@ -316,7 +317,12 @@ class AfterSalesCostRowRepository
         $ids = [];
 
         foreach (['online_order_no', 'internal_order_no'] as $field) {
-            $query = $this->orderNumberBranch($baseFilters, $field, $values)
+            $fieldValues = self::orderValuesForField($field, $values);
+            if ($fieldValues === []) {
+                continue;
+            }
+
+            $query = $this->orderNumberBranch($baseFilters, $field, $fieldValues)
                 ->select('id')
                 ->limit($cap);
 
@@ -358,7 +364,9 @@ class AfterSalesCostRowRepository
 
         $baseFilters = array_replace($filters, ['order_no' => '']);
         foreach (['online_order_no', 'internal_order_no'] as $field) {
-            if ($this->orderNumberBranch($baseFilters, $field, $values)->limit(1)->exists()) {
+            $fieldValues = self::orderValuesForField($field, $values);
+            if ($fieldValues !== []
+                && $this->orderNumberBranch($baseFilters, $field, $fieldValues)->limit(1)->exists()) {
                 return true;
             }
         }
@@ -496,6 +504,19 @@ class AfterSalesCostRowRepository
         return str_replace(['!', '%', '_'], ['!!', '!%', '!_'], trim($value)) . '%';
     }
 
+    /** @param list<string> $values @return list<string> */
+    private static function orderValuesForField(string $field, array $values): array
+    {
+        if ($field !== 'internal_order_no') {
+            return $values;
+        }
+
+        return array_values(array_filter(
+            $values,
+            static fn (string $value): bool => mb_strlen($value) <= self::INTERNAL_ORDER_MAX_PREFIX_LENGTH,
+        ));
+    }
+
     /** @return list<string> */
     private static function batchValues(string $value): array
     {