[backend] use common error types

yarn.lock

@@ -9208,6 +9208,15 @@ expect@^25.1.0:
     jest-message-util "^25.1.0"
     jest-regex-util "^25.1.0"
 
+express-promise-router@^3.0.3:
+  version "3.0.3"
+  resolved "https://registry.npmjs.org/express-promise-router/-/express-promise-router-3.0.3.tgz#5e6d22a5a3f013d71833172fe8d7ab780c3f6b70"
+  integrity sha1-Xm0ipaPwE9cYMxcv6NereAw/a3A=
+  dependencies:
+    is-promise "^2.1.0"
+    lodash.flattendeep "^4.0.0"
+    methods "^1.0.0"
+
 express@^4.17.0, express@^4.17.1:
   version "4.17.1"
   resolved "https://registry.npmjs.org/express/-/express-4.17.1.tgz#4491fc38605cf51f8629d39c2b5d026f98a4c134"
@@ -13627,6 +13636,11 @@ lodash.escaperegexp@^4.1.2:
   resolved "https://registry.npmjs.org/lodash.escaperegexp/-/lodash.escaperegexp-4.1.2.tgz#64762c48618082518ac3df4ccf5d5886dae20347"
   integrity sha1-ZHYsSGGAglGKw99Mz11YhtriA0c=
 
+lodash.flattendeep@^4.0.0:
+  version "4.4.0"
+  resolved "https://registry.npmjs.org/lodash.flattendeep/-/lodash.flattendeep-4.4.0.tgz#fb030917f86a3134e5bc9bec0d69e0013ddfedb2"
+  integrity sha1-+wMJF/hqMTTlvJvsDWngAT3f7bI=
+
 lodash.get@^4.4.2:
   version "4.4.2"
   resolved "https://registry.npmjs.org/lodash.get/-/lodash.get-4.4.2.tgz#2d177f652fa31e939b4438d5341499dfa3825e99"
@@ -14152,7 +14166,7 @@ merge@^1.2.1:
   resolved "https://registry.npmjs.org/merge/-/merge-1.2.1.tgz#38bebf80c3220a8a487b6fcfb3941bb11720c145"
   integrity sha512-VjFo4P5Whtj4vsLzsYBu5ayHhoHJ0UqNm7ibvShmbmoz7tGi0vXaoJbGdB+GmDMLUdg8DpQXEIeVDAe8MaABvQ==
 
-methods@^1.1.1, methods@^1.1.2, methods@~1.1.2:
+methods@^1.0.0, methods@^1.1.1, methods@^1.1.2, methods@~1.1.2:
   version "1.1.2"
   resolved "https://registry.npmjs.org/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
   integrity sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4=