getting kde2 kmail message indexs readble in version 1.5.4

From: +- (
Date: 11/23/03

Date: Sat, 22 Nov 2003 16:57:35 -0800

I recently upgraded to suse 9 and had several subfolders in my old kail, now
when I copied them over to the 1.5.4 version mail folder but the messages
aren't readbale, is there a way to fix this?