err_header_out() not found in mod_perl 1.99

[Peter Rothermel]

greetings,

I'm using Apache2/mod_perl 1.99 on WinNT.

Here's the error:

[error] [client 127.0.0.1] Can't locate object method  "err_header_out" via package 
"Apache::RequestRec" at C:\Apach...


thanks in advance
-pete