Indian Railway Catering & Tourism Corporation [IRCTC] — when trying to print ticket getting message " " flushed pnr / pnr not yet generated "

Address:

560048

I booked a ticket and when it try to print it showing "" flushed pnr / pnr not yet generated ".
I got a sms also after booking this ticket.

What should i do next?
The following is the ticket details:-

Transaction id: [protected]
Pnr no [protected]
Train no./name: 12864 / ypr howrah exp
Date of journey: 24-mar-2018
Date of boarding: 24-mar-2018 class: sleeper class (Sl)
From: krishnarajapurm (Kjm)
To: mecheda (Mca) boarding: krishnarajapurm (Kjm)
Resv upto: mecheda (Mca)
Quota: general (Gn) ticket type: e-ticket