Is there a way to tackle this kind of error `module@ latest found( replaced by ),but does not contain package /routes` while importing modules in Go?

I tried to create a module named REST-API/routes in the routes folder, then imported it on main.go I found unexpected error. my code looks like this as follow;

package main

import (


func main() {
    router := gin.Default()

    // Initialize the routes

    // Start serving the application

Edit: contents of the rest-api/routes go.mod file is given below as;

module REST-API/routes
go 1.16

require (
    REST-API/handlers v0.0.0-00010101000000-000000000000 v1.7.4

replace REST-API/handlers => ../handlers

FYI, reference to my REST-API file

Error: REST-API imports REST-API/routes: module REST-API/routes@latest found (v0.0.0-00010101000000-000000000000, replaced by ../routes), but does not contain package REST-API/routes

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