ApiCallsChat.getMessage() doesn't work (info in description)

Error can be recreated with ApiCallsChatTest.getMessage().

Error: "java.lang.IllegalArgumentException: the jsonNode was not a correct jsonNode!Cannot construct instance of RocketChatRestAPI.Models.Message (although at least one Creator exists): no String-argument constructor/factory method to deserialize from String value ('API endpoint does not exist') at [Source: (String)"{"message":"API endpoint does not exist","status":"error"}"; line: 1, column: 12] (through reference chain: RocketChatRestAPI.CallResponse["message"])"