[sqlite] DATABASE SCHEMA HAS CHANGED

[P. Morandi]

Hi everybody.

After using VACUUM on a sqlite db, the first time I try to do an INSERT in a 
table
(always the same table) I get the "DATABASE SCHEMA HAS CHANGED" error, but later
queries have no problems, only the first one.
If I don't pack the db (no using of VACUUM) no problem.
Does anyone have any idea of the causes of this error message? 

Thanks.
Paolo Morandi