You're the lucky one...

I was just checking my postbit to see if my "i'm on vacation" hint was there.
Now, let's see:
You have to delete the sid_report templates manually if you have edited them,
otherwise they will stay altered if you reinstall.
So, go to your acp -> template management and revert all red marked "sid_report *" templates and uninstall the hack afterwards.
Now they should be deleted... check out.
Now if you reinstall the hack all should work as before.
If you still get that error, disable the plugin called:
report enhancer - textfield required from plugin-management,
I'll return next week ..
'sid