problem upgrade INN 2.2 to INN 2.4

[Javi Pardo]

Hello
I have upgrade mi old INN 2.2.3 to INN 2.4.4 20071114 snapshot
i have migrate all files and have rebuild the db
but... hi have problem

if connect via telnet show all groups but if select any group with 
thunderbird i have this error into news.notice

Jan  5 00:31:47 dakota nnrpd[26013]: tradindexed: index loop for entry 0

and thunderbird return error message with this group not exist

i have rebuild deleting all files into db except active files, rebuild 
all files but not work, i need HELP

thanks!!