Your code is really hard to read. It is much better to copy the code and paste it here between
This gives us formatted code that we can copy, paste and run . Often a person here does not have the time to type out code to test it and find a problem.
That said, I think there is a space here between air and RData.
load("/workspaces/xxxxx/air/air. RData")
You may find this helpful in asking questions here..