casurl variable = https://cas.iu.edu/cas/validate?cassvc=IU&casticket=ST-555134-ycoGJ2XXqO4hiHoOZRcNcasprd06&casurl=http://app.iun.edu/IUN/IMS/prdMediaConvert.cfm
There was a problem verifying your identity from CAS.
The CAS Ticket passed by the URL appears to be invalid.
First try closing all of your browsers and re-trying the login.
If that fails, call the IT Support Center at 219-981-4357
or send email to email@example.com