Cannot bulk load because the file ... could not be opened. Operating system error code 3(error not found).

Error Message:

Cannot bulk load because the file "C:\SQL\some_xml.xml" could not be opened. Operating system error code 3(error not found).

The SQL couldn't get to the file.

Probably the path is not a path on the Server machine, or a path that known to the server.

C = C driver on the server.