dovecot - Jun 2012 - dovecot stats error

Hi Timo,
any idea whats this related too ?

dovecot: stats: Error: Mail server input error: UPDATE-SESSION: stats
shrank: mrbytes 21703727 < 25193928
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Best Regards
MfG Robert Schetterer

On 22.6.2012, at 15.34, Robert Schetterer wrote:
> Hi Timo,
> any idea whats this related too ?
> 
> dovecot: stats: Error: Mail server input error: UPDATE-SESSION: stats
> shrank: mrbytes 21703727 < 25193928
Which Dovecot version? I thought I fixed this already..