INDEX build failed for 6.x

[Erwin Lansing]

INDEX build failed with errors:
Generating INDEX-6 - please wait..pkg_info: not found
pkg_info: not found
 Done.
make_index: krb5-1.7: no entry for /usr/ports/devel/libtool15

Committers on the hook:
clsung cy 

Most recent CVS update was:
U devel/rubygem-templater/Makefile
U devel/rubygem-templater/distinfo
U net/p5-Net-Whois-Raw/Makefile
U net/p5-Net-Whois-Raw/distinfo
U security/krb5-17/Makefile
U www/p5-Flickr-API/Makefile
U www/p5-Flickr-API/distinfo