ApiExceptionBundle вынесены в отдельный пакет.

Author: ProklUng

composer.json

@@ -99,7 +99,8 @@
     "proklung/bitrixckeditorbundle": "^1.0",
     "proklung/bitrixsymfonyrouterbundle": "^1.0",
     "proklung/collection-extender-bundle": "^1.0",
-    "proklung/bitrix-custom-properties-bundle": "^1.0"
+    "proklung/bitrix-custom-properties-bundle": "^1.0",
+    "proklung/api-exception-bundle": "^1.0"
   },
   "require-dev": {
     "squizlabs/php_codesniffer": "2.*",

local/configs/standalone_bundles.php

@@ -13,7 +13,7 @@
     Prokl\StaticPageMakerBundle\StaticPageMakerBundle::class => ['all' => true],
     Local\Bundles\ModelBundle\ModelBundle::class => ['all' => true],
     Local\Bundles\BitrixWebformBundle\BitrixWebformBundle::class => ['all' => true],
-    Local\Bundles\BitrixCustomPropertiesBundle\BitrixCustomPropertiesBundle::class => ['all' => true],
+    Prokl\ApiExceptionBundle\M6WebApiExceptionBundle::class => ['all' => true],
     Local\Bundles\BitrixIblockElementValidatorBundle\BitrixIblockElementValidatorBundle::class => ['all' => true],
     Local\Bundles\UrlSignedBundle\UrlSignedBundle::class => ['all' => true],
     Prokl\BitrixOgGraphBundle\BitrixOgGraphBundle::class => ['all' => true],