SCCM SMS_Execute is not installed after server upgrade from 2019 to 2022

Hi 

We have recently upgraded our servers from 2019 to 2022 and after this upgrade we have got the couple of issues as below:

 

1. SMS_Execute is not installed on MPs

2. Client is unable to interact with server and missing the apps

 

some users not able to see any apps in software center, please suggest how to fix this,,''