Can't download C-DAC admit card?

hey guys i have to wrote C-CAT exam on 16 dec and admit cards are available to download but whenever i click on the "print the admit card" link the site crash

Server Error in '/acts' Application.
Logon failed.
Details: crdb_adoplus : Object reference not set to an instance of an object.Error in File D:\WINDOWS\TEMP\AdmitCard {24077419-35DA-45F7-A366-24B0115AED75}.rpt:
Unable to connect: incorrect log on parameters.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
 
Exception Details: System.Runtime.InteropServices.COMException: Logon failed.
Details: crdb_adoplus : Object reference not set to an instance of an object.Error in File D:\WINDOWS\TEMP\AdmitCard {24077419-35DA-45F7-A366-24B0115AED75}.rpt:
Unable to connect: incorrect log on parameters.

so is this happning to every one or just with me?and do you know where to contact C-DAC personals 😔 please reply

P.S. now i have second thoughts of doing this course,they can't even handle a simple transaction based registration website 😡