diff --git a/src/Validator.php b/src/Validator.php
index 67f9a8e..603e627 100755
--- a/src/Validator.php
+++ b/src/Validator.php
@@ -7,7 +7,7 @@
  * @license MIT https://github.com/SandroMiguel/verum-php/blob/master/LICENSE
  * @author Sandro Miguel Marques <sandromiguel@sandromiguel.com>
  * @link https://github.com/SandroMiguel/verum-php
- * @version 4.2.1 (2024-03-20)
+ * @version 4.2.2 (2024-03-21)
  */
 
 declare(strict_types=1);
@@ -222,6 +222,10 @@ public function validate(): bool
                         \count($fieldValue) - 1
                     )
                 ) {
+                    if ($this->debugMode) {
+                        echo "\n2.3 Field is an indexed array - Ignore";
+                    }
+
                     continue;
                 }
 
@@ -457,6 +461,11 @@ private function getMultiNameFieldValues(string $fieldName): array
 
         $multiNameFieldValues = [];
 
+        // Ensure that the field name is in the payload and validate it against null
+        if (\count($fieldValues) === 0) {
+            return [$fieldName => null];
+        }
+
         foreach ($fieldValues as $fullFieldName => $value) {
             if (\strpos($fullFieldName, $baseFieldName) !== 0) {
                 continue;
diff --git a/tests/ValidatorTest.php b/tests/ValidatorTest.php
index b065406..da7b4f8 100755
--- a/tests/ValidatorTest.php
+++ b/tests/ValidatorTest.php
@@ -872,6 +872,53 @@ public function testValidateMultiNameFieldsFullnameMatch(): void
         );
     }
 
+    /**
+     * Tests the validation when a multi-name field defined in the rules does
+     *  not exist in the payload.
+     */
+    public function testValidateMultiNameFieldNotInPayload(): void
+    {
+        $fieldValues = [
+            'age' => 'Text value',
+        ];
+
+        $fieldRules = [
+            'age' => [
+                'label' => 'Age',
+                'rules' => [
+                    RuleEnum::NUMERIC,
+                ],
+            ],
+            'multiName.*' => [
+                'rules' => [RuleEnum::REQUIRED],
+            ],
+        ];
+
+        $expected = [
+            'age' => [
+                'label' => 'Age',
+                'rules' => [
+                    'numeric' => 'The "Age" field must be numeric.',
+                ],
+            ],
+            'multiName.*' => [
+                'label' => null,
+                'rules' => [
+                    'required' => 'This field is required.',
+                ],
+            ],
+        ];
+
+        $validator = new Validator($fieldValues, $fieldRules, debugMode: true);
+        $validator->validate();
+        $errors = $validator->getErrors();
+
+        $this->assertEquals(
+            \json_encode($expected),
+            \json_encode($errors)
+        );
+    }
+
     /**
      * Test validation with a payload containing numeric keys in an array field.
      */
@@ -905,7 +952,8 @@ public function testValidationWithNumericKeysInArrayField(): void
     }
 
     /**
-     * Test validation with an empty idTranslationValues field, which should fail due to its required nature.
+     * Test validation with an empty idTranslationValues field, which should
+     *  fail due to its required nature.
      */
     public function testValidationWithEmptyIdTranslationValuesField(): void
     {
@@ -944,6 +992,9 @@ public function testValidationWithEmptyIdTranslationValuesField(): void
         $errors = $validator->getErrors();
 
         // Assert that the validation errors match the expected errors
-        $this->assertEquals(json_encode($expectedErrors), json_encode($errors));
+        $this->assertEquals(
+            \json_encode($expectedErrors),
+            \json_encode($errors)
+        );
     }
 }