Update Environment variables

[PeramSravani]

I am trying to update environment variables . I have 2 environments in power apps and separate SharePoint sites for each environment . I am trying to import the solution from Dev(1) to Test(2) and after importing I am Updating the environment variables . I have 2 environment variables for app , one is for SharePoint site and Another one is for SharePoint list . I am able to update the SharePoint Site environment variable but SharePoint List Environment variable is not updating with list name and showing an error in solution saying that "We are unable to find the list. Please try selecting a list from the dropdown or use a different connection. " . How to update the Environment variable for SharePoint List .?

I am giving the SharePoint List name in place of value ( FORMAT: [['name1','value1'],['name2','$(variable2)']]). please help me with this?