buffindexed errors

[Alex Kiernan]

Anyone understand the cause of this:

Jan 30 03:19:25 e4500-2.eng.demon.net expireover[12305]: [ID 368750 news.error] buffindexed: overview data must be under 8192
Jan 30 03:19:25 e4500-2.eng.demon.net expireover[12305]: [ID 182006 news.error] buffindexed: could not add new overview for 'comp.os.linux.development.system'
Jan 30 03:21:27 e4500-2.eng.demon.net expireover[12305]: [ID 188097 news.error] buffindexed: ovgroupmmap ovbuff is null(ovindex is 2494, ovblock is 892482610
Jan 30 03:21:27 e4500-2.eng.demon.net expireover[12305]: [ID 260700 news.error] buffindexed: could not open overview for 'fido7.su.win95.hardw'
Jan 30 03:25:38 e4500-2.eng.demon.net expireover[12305]: [ID 188097 news.error] buffindexed: ovgroupmmap ovbuff is null(ovindex is 20594, ovblock is 909391369
Jan 30 03:25:38 e4500-2.eng.demon.net expireover[12305]: [ID 260700 news.error] buffindexed: could not open overview for 'uk.adverts.personals.gay-lesbian-bi'
Jan 30 03:30:20 e4500-2.eng.demon.net expireover[12305]: [ID 188097 news.error] buffindexed: ovgroupmmap ovbuff is null(ovindex is 25914, ovblock is 960039250
Jan 30 03:30:20 e4500-2.eng.demon.net expireover[12305]: [ID 260700 news.error] buffindexed: could not open overview for 'it.tlc.telefonia.wind'

Thanks.

-- 
Alex Kiernan, Principal Engineer, Development, Thus PLC