diff --git a/errors/general.go b/errors/general.go
index 2320575..3a3b16b 100644
--- a/errors/general.go
+++ b/errors/general.go
@@ -1,29 +1,30 @@
 package errors
 
 import (
 	"github.com/writeas/impart"
 	"net/http"
 )
 
 var (
 	// Commonly returned HTTP errors
 	ErrBadFormData      = impart.HTTPError{http.StatusBadRequest, "Expected valid form data."}
 	ErrBadJSON          = impart.HTTPError{http.StatusBadRequest, "Expected valid JSON object."}
 	ErrBadJSONArray     = impart.HTTPError{http.StatusBadRequest, "Expected valid JSON array."}
 	ErrBadAccessToken   = impart.HTTPError{http.StatusUnauthorized, "Invalid access token."}
 	ErrNoAccessToken    = impart.HTTPError{http.StatusBadRequest, "Authorization token required."}
 	ErrNotLoggedIn      = impart.HTTPError{http.StatusUnauthorized, "Not logged in."}
 	ErrBadRequestedType = impart.HTTPError{http.StatusNotAcceptable, "Bad requested Content-Type."}
 
 	// Post operation errors
 	ErrPostNoUpdatableVals  = impart.HTTPError{http.StatusBadRequest, "Supply some properties to update."}
 	ErrNoPublishableContent = impart.HTTPError{http.StatusBadRequest, "Supply something to publish."}
 
 	// Internal errors
 	ErrInternalGeneral       = impart.HTTPError{http.StatusInternalServerError, "The humans messed something up. They've been notified."}
 	ErrInternalCookieSession = impart.HTTPError{http.StatusInternalServerError, "Could not get cookie session."}
 
 	// User errors
 	ErrUserNotFound      = impart.HTTPError{http.StatusNotFound, "User doesn't exist."}
 	ErrUserNotFoundEmail = impart.HTTPError{http.StatusNotFound, "Please enter your username instead of your email address."}
+	ErrUsernameTaken     = impart.HTTPError{http.StatusConflict, "Username is already taken."}
 )