Check that the file exists, and make sure that SQL has access to the file along with the appropriate permissions for the user SQL is runnign under. The error message is pretty clear:
Cannot bulk load because the file "\\tdc2fil001\ST_MISC_INFA_SHARED\RTLF\SrcFiles\Netsol_accounts_20190807.xml" could not be opened.
Since we do not have any access to your network or file system, we can;t do anything about that for you.