i am also getting same error what should i do please help

I am getting the same error bro

Admit cards are available online on its official website, cbse.nic.in for all regions. Candidates can download admit card by using their Application No. or previous year roll no. and year. Otherwise, they can also get their intimation letter by entering their Name, Father’s name and Mother’s name. If the error occurs, you can try after some time again

Visit the official cbse site.

• you need to select the region (other or delhi).
  
• you can clasify your search by previous rollnumber and year , name orapplication number.
  
• next - click on proceed. you will be displayed your admit card .
  
• download it . and print.