[ 96%] Generating index.cache.bz2 index.docbook:20: parser error : Entity 'John.Tapsell' not defined &John.Tapsell; &John.Tapsell.mail; ^ index.docbook:20: parser error : Entity 'John.Tapsell.mail' not defined &John.Tapsell; &John.Tapsell.mail; ^ index.docbook:22: element othercredit: validity error : Element othercredit content does not follow the DTD, expecting ((personname | (honorific | firstname | surname | lineage | othername | affiliation | authorblurb | contrib)+) , (personblurb | email | address)*), got (CDATA CDATA ) ^ index.docbook:460: parser error : Entity 'John.Tapsell' not defined &ksysguard; is currently developed and maintained by &John.Tapsell; ^ index.docbook:461: parser error : Entity 'John.Tapsell.mail' not defined &John.Tapsell.mail;. &ksysguard; is a rewrite of ^ make[2]: *** [doc/ksysguard/index.cache.bz2] Error 1 make[1]: *** [doc/ksysguard/CMakeFiles/handbook.dir/all] Error 2 make: *** [all] Error 2