compilerException java.lang.IllegalArgumentException: Don't know how to create ISeq from: clojure.lang.Symbol,

errors.clj

(ns api.errors
  (:require [ring.util.http-response :refer :all]
            [compojure.api.sweet :refer :all]
            [schema.core :as s]
            [ring.swagger.schema :refer [describe coerce]])
  (:import (org.joda.time LocalDate)))
 
(def error-responses { 400 ^{:message "message1"} Exception
                       404 ^{:message "message2"} Exception
                       500 ^{:message "message3"} Exception
                       501 ^{:message "message4"} Exception
                       503 ^{:message "message5"}  Exception })
 
;; Fails w/ compilerException java.lang.IllegalArgumentException: Don't know how to create ISeq from: clojure.lang.Symbol,
(defroutes* bad-example
    (GET* "/bad-example/:id" []
      :path-params [id :- (describe s/Int "ID ex. 1392302")]
      :responses   error-responses
      (ok id)))
 
;; Succeeds to create correct documentation
(defroutes* good-example
    (GET* "/good-example/:id" []
      :path-params [id :- (describe s/Int "ID ex. 1392302")]
      :responses   { 400 ^{:message "message1"} Exception
                     404 ^{:message "message2"} Exception
                     500 ^{:message "message3"} Exception
                     501 ^{:message "message4"} Exception
                     503 ^{:message "message5"}  Exception }
      (ok id)))