> I go the error as "Unknown Protocol: d" Can you please let me know why this
> error has come and how to rectify.

you haven't really shown any part of your code but I'd guess that you
have an MSDOS file path where you should have a URI. the "protocol" is
the bit before the : in a URI as in
http://a.b.c


If you give a URI as

d:a\b\c
then that is URI scheme (protocol) is d which isn't a registered URI scheme
and so an error if you try to reference it.

Some systems silently correct that error, turning the path into a URI
using the file: scheme:

file:///d:/a/b/c

ie prepending file:/// and using / not \ but they should not do this,
and if they don't you will get an error something like the above.

David

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