Welcome hack something wrong

there is something wrong in the welcome hack on my forum

here is the postbit
Welcome back, <b>$username</b>
<br>There have been <b>$getnewthread[threads]</b> threads and <b>$getnewpost[posts]</b> posts since your last visit!

after i updated to 2.8 i get
Welcome
Welcome back, camikazi2k
There have been threads and posts since your last visit!
The time now is 02:00 PM.
You last visited: 11-07-2002 01:22 PM.

no numbers
any idea why
thank you

[NTLDR]

You need to re-apply all your hacks after upgrading your board.

[Erwin]

When you replace the old files with the new ones, you erase your hacks. Like NTLDR said, reinstall your hacks.

[camikazi2k]

ok
thank you