gofiber/fiber · error · ErrMsgPackNotConfigured

binder: msgpack is not configured, please check docs: https:

Error message

binder: msgpack is not configured, please check docs: https://docs.gofiber.io/next/guide/advance-format#msgpack

What it means

Error "binder: msgpack is not configured, please check docs: https://docs.gofiber.io/next/guide/advance-format#msgpack" thrown in gofiber/fiber.

Source

Thrown at binder/msgpack.go:9

package binder

import (
	"errors"

	"github.com/gofiber/utils/v2"
)

var ErrMsgPackNotConfigured = errors.New("binder: msgpack is not configured, please check docs: https://docs.gofiber.io/next/guide/advance-format#msgpack")

// MsgPackBinding is the MsgPack binder for MsgPack request body.
type MsgPackBinding struct {
	MsgPackDecoder utils.MsgPackUnmarshal
}

// Name returns the binding name.
func (*MsgPackBinding) Name() string {
	return "msgpack"
}

// Bind parses the request body as MsgPack and returns the result.
func (b *MsgPackBinding) Bind(body []byte, out any) error {
	return b.MsgPackDecoder(body, out)
}

// Reset resets the MsgPackBinding binder.
func (b *MsgPackBinding) Reset() {

View on GitHub (pinned to 9a4c7e57fe)

When it happens

Trigger: Thrown at binder/msgpack.go:9 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of gofiber/fiber@9a4c7e57fe (2026-08-04). Data as JSON: /data/errors/bd140dc0676cb010.json. Report an issue: GitHub.