Raise a TAC case, sounds like a bug in the product where its not baselining the reports vs what's available on CCO. Most likely what's happening its identifying the 24PS maybe due to an older version of IOS. And that's the next question, where is the...
Do a packet capture when you expect the alerts to come in by verifying in fact that traps have been generated. Look at the reports on PI to verify if any alerts are coming in for that device for other events.
You might want to read the configuration ...
You need to configure a TFTP server locally then attach a cross over cable to the router and in rommon mode, you can manually push the TFTP image to the router or vice versa. Simple google search will yield many results on how to recover from ROMMON ...
For starters, enlighten us on your current configuration that you attempted to configure netflow on the 6800x.
What IOS are you running?
What kind of Catalyst 6800? Show Ver would help along with what you are trying to accomplish? Have you looked at...