[otrs] Cron with error

Hello list! I got cron telling me many times an hour following: DBI::db=HASH(0x8c1b6c0)->disconnect invalidates 1 active statement handle (either destroy statement handles or call finish on them before disconnecting) at /usr/share/otrs/Kernel/System/DB.pm line 219, <DATA> line 225. What is wrong? What's happening? Thanks... -- ---------------------------------- Boniforti Flavio Provincia del Verbano-Cusio-Ossola Ufficio Informatica Tecnoparco del Lago Maggiore Via dell'Industria, 25 28924 Verbania ----------------------------------