VI_ITShop_Process Approval Inbox

We are using version 8.1 and are out of support for modern auth fix which uses modern auth to process approval mails

Job chain name: VI_ITShop_Process Approval Inbox

Did anyone successfully achieve the modern auth in 8.1 for VI_ITShop_Process Approval Inbox?

ErrorMessages  (2022-11-30 08:43:47.083) Access mail approval inbox by using supplied account credentials.

There is a default process. We dont customize this? 

How to solve the problem?