[R] R ERROR- Error in file(file, "rt") : cannot open the connection

[Girija Kalyani]

Dear R Group,

I have an species occurence file stored in dismo/ex/abc.csv.
When i read the file, it shows error.
Error in file(file, "rt") : cannot open the connection
In addition: Warning message:
In file(file, "rt") :  cannot open file
'G:/Software/R-3.1.1/library/dismo/ex/occurence.csv': No such file or
directory
What could b the reason, it shows no such file in directory, but i saved my
file in the place where i have mentioned in d code.
Can someone help me out with this?
Thanx in advanvce

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