Broken invitation link

hello everyone,

I’ve just installed ERPNext: v12.x.x-develop () (develop),Frappe Framework: v12.x.x-develop () (develop)

On Linux Centos7, however, the generated invitation link is broken some litters are being replaced with = for no reason kindly have a look below

Welcome to Chamber Of Commerce 	

A new account has been created for you=t
Your login id is:
Click on the link below to complete yo=r registration and set a new password.
Complete Registration

You can also copy-paste=his link in your browser