How to solve VVDI MB “Cannot find erase password” error

Problem:

I am repairing Mercedes esl by using VVDI MB BGA Tool key programmer, but this is giving error in this process.

Error “Cannot find erase password”

Solution:
Internet connection required when calculating key password using VVDI MB.

VVDI MB Tool software V2.1.6 highlights:
Easy steps for re-matching ESL after Formatting or matching Xhorse ESL/ELV Emulator without any need for getting Erase Pass or taking the risk of Rewriting EIS via IR any more.
Via EIS Dialogue
1- Read EIS
2-Get key pass normally as if you are adding key
3- Save with key pass
4- Open ESL dialogue
5- Use Load Vvdi MB EIS data
6- Tick Auto Clear
7- Write to ESL
8- Done

http://blog.vvdishop.com/vvdi-mb-cannot-find-erase-password-when-repair-esl/