Doctrine bundle fails to load if Doctrine ORM not available

Author: moufmouf

composer.json

@@ -23,7 +23,8 @@
   "require" : {
     "php" : ">=7.1",
     "thecodingmachine/tdbm" : "^5.0",
-    "doctrine/doctrine-bundle": "^1.9"
+    "doctrine/doctrine-bundle": "^1.9",
+    "doctrine/orm": "^2 || ^3"
   },
   "autoload" : {
     "psr-4" : {