ACP2E-1986: Rest api V1/carts/mine/estimate-shipping-methods show 500 Error

Author: AnujNehra

lib/internal/Magento/Framework/Webapi/ServiceInputProcessor.php

@@ -328,7 +328,7 @@ protected function _createFromArray($className, $data)
                     $object->{$setterName}($setterValue);
                 }
             } catch (\LogicException $e) {
-                $this->processInputError([$camelCaseProperty]);
+                $this->processUnsupportedParameter([$camelCaseProperty]);
             }
         }
 
@@ -579,4 +579,29 @@ protected function processInputError($inputError)
             }
         }
     }
+
+    /**
+     * Process unsupported parameter input error
+     *
+     * @param array $inputError
+     * @return void
+     * @throws InputException
+     */
+    private function processUnsupportedParameter(array $inputError): void
+    {
+        if (!empty($inputError)) {
+            $exception = new InputException();
+            foreach ($inputError as $errorParamField) {
+                $exception->addError(
+                    new Phrase(
+                        '"'.$errorParamField.'" is not supported. Correct the field name and try again.',
+                        ['fieldName' => $errorParamField]
+                    )
+                );
+            }
+            if ($exception->wasErrorAdded()) {
+                throw $exception;
+            }
+        }
+    }
 }

lib/internal/Magento/Framework/Webapi/Test/Unit/ServiceInputProcessorTest.php

@@ -759,7 +759,7 @@ public function testValidateApiPayload(array $payload, int $exception): void
     {
         if ($exception) {
             $this->expectException(InputException::class);
-            $this->expectExceptionMessage('"City." is required. Enter and try again.');
+            $this->expectExceptionMessage('"City." is not supported. Correct the field name and try again.');
         }
         $result = $this->serviceInputProcessor->process(
             ShipmentEstimationInterface::class,