Originally Posted by Spz0

I've seen those errors before.
Try this to get rid of it (worked for me).

• Download Su's 5.0.2.7 CwM recovery.
• Flash it.
• Reboot Recovery (advanced menu)
• Go back to stock via restore (I assume you've made a nanodroid backup in 5.0.2.7?) -- If not, try wiping your data/cache from CWM
• Re-flash Req's 5.0.2.8 CWM
• Reboot Recovery

When I was messing around with req's CM7 I ran into this issue I believe when I formatted data/cache from 5.0.2.8. Anyhow, this solved it for me.
Let us know how you make out!