xascendsessionsvrkey (data too long) in freeradius 2.2.5

[mohammed Erheem]

I installed freeradius 2.2.5
and i have problem with acounting
Error: [sql] Couldn't insert SQL accounting START record - Data too long
for column 'xascendsessionsvrkey' at row 1

i can't alter radacct table because i have more than 20 million records

I try to use freeradius with test database after alter xascendsessionsvrkey
to varchaer(255)

the value of xascendsessionsvrkey like ===> 3134:4235:3936::/57

ip v6 disable on radius and database server
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freeradius.org/pipermail/freeradius-users/attachments/20140513/c45ce539/attachment.html>