https://community.cisco.com/t5/devnet-sandbox/error-launching-400-bad-request/m-p/5055628#M9823 <P><a href="https://community.cisco.com/t5/user/viewprofilepage/user-id/149826">@chandruu</a>&nbsp;try a incognito browser or/and clear all cookie and cache.</P> <P>Hope this helps.</P> Wed, 03 Apr 2024 14:27:06 GMT bigevilbeard 2024-04-03T14:27:06Z https://community.cisco.com/t5/devnet-sandbox/error-launching-400-bad-request/m-p/5055625#M9822 <CENTER> <H1>400 Bad Requests</H1> </CENTER><CENTER>Request Header Or Cookie Too Large</CENTER> Wed, 03 Apr 2024 14:21:48 GMT https://community.cisco.com/t5/devnet-sandbox/error-launching-400-bad-request/m-p/5055625#M9822 chandruu 2024-04-03T14:21:48Z https://community.cisco.com/t5/devnet-sandbox/error-launching-400-bad-request/m-p/5055628#M9823 <P><a href="https://community.cisco.com/t5/user/viewprofilepage/user-id/149826">@chandruu</a>&nbsp;try a incognito browser or/and clear all cookie and cache.</P> <P>Hope this helps.</P> Wed, 03 Apr 2024 14:27:06 GMT https://community.cisco.com/t5/devnet-sandbox/error-launching-400-bad-request/m-p/5055628#M9823 bigevilbeard 2024-04-03T14:27:06Z