will complain with "No such file or directory" since /etc/doesnotexist does not exist
You step in the stream, but the water has moved on. That file is not there.
29 pages link to ENOENT:
lib/plugin/WlugLicense.php:99: Warning: Invalid argument supplied for foreach()
lib/plugin/WlugLicense.php:111: Warning: in_array() [<a href='function.in-array'>function.in-array</a>]: Wrong datatype for second argument