error finding file located on the db server in EBS R12

Hi,

I am following an example from a book to copy an output file from the db server and email to specified email address using a HOST concurrent program.

I've created a directory XXHR_XML_OUT on the DB server.

SELECT *
      FROM   dba_directories
      WHERE  directory_name = 'XXHR_XML_OUT';

when concurrent program runs, it is creating the file XXHR_FILE_1003_20160301_131414.xml which i can see in /usr/tmp direcotry on the db server.

However, its failing to email and throwing error (Specified file does not exist, please specify a valid filename.)

Email Subject : Email from EBS
Email Address : email@gmail.com