Email automation -object reference not set to an object

am getting the above error while executing the email automation using the outlook mail message

Can you check the path and sheet name of the excel?

I’ve checked its correct

Fine make sure that the output variable of the Read Range activity is not with whole sequence scope.
for that go to variable panel and change the scope of the output variable of read range activity to the current activity or current container scope, not to the whole sequence
Cheers @sreelakshmiV