diff --git a/TODO b/TODO
index e69de29..1198094 100644
--- a/TODO
+++ b/TODO
@@ -0,0 +1,15 @@
+errors:
+
+1. etcd stopped
+2. crtl-C
+bla etcd "ts"="2021-11-07 23:45:03.517326" "caller"={"file":"etcd.go","line":94} "msg"="campaign error" "error"="rpc error: code = Unavailable desc = error reading from server: EOF"
+bla etcd "ts"="2021-11-07 23:45:03.518082" "caller"={"file":"loadbalancer.go","line":118} "level"=0 "msg"="stopping haproxy" "service"="haproxy"
+bla etcd "ts"="2021-11-07 23:45:03.529380" "caller"={"file":"loadbalancer.go","line":123} "level"=0 "msg"="leading canceled" "id"="6a6c7cfc8dd69b62"
+^Cbla main "ts"="2021-11-07 23:45:08.926006" "caller"={"file":"main.go","line":118} "level"=0 "msg"="haproxy-lb shutdown" "signal"="interrupt"
+panic: send on closed channel
+
+goroutine 1 [running]:
+git.giftfish.de/ston1th/haproxy-lb/pkg/etcd.(*Cluster).Stop(0xc00017d340)
+	git.giftfish.de/ston1th/haproxy-lb/pkg/etcd/etcd.go:213 +0x33
+main.main()
+	git.giftfish.de/ston1th/haproxy-lb/cmd/haproxy-lb/main.go:128 +0xebb
diff --git a/pkg/api/types/context.go b/pkg/api/types/context.go
index b5567bd..cde2d2f 100644
--- a/pkg/api/types/context.go
+++ b/pkg/api/types/context.go
@@ -123,7 +123,7 @@ func (c *Context) JSON(v interface{}) {
 
 // Err is a HTTPErr wrapper for the custom Error type
 func (c *Context) Err(err Error) {
-	c.HTTPErr(err.Error(), err.Status())
+	c.HTTPErr(err.JSON(), err.Status())
 }
 
 // HTTPErr is a http.Error wrapper