I'm trying to remember what was the last SQL query called registering to a session the "pointer" to a SQL instance, something like: anSQLquery = container.DB.SQL.anSQLqury Howevere, I get this error: Error Type: InvalidObjectReference Error Value: Attempt to store an object from a foreign database connection just when attempting to write to a session the variable anSQLquery. The traceback diagnostic is not very helping to me; it says: (Info: (('Products.Transience.TransientObject', 'TransientObject') referring to: Connection.py, line 345, in commit I did examine the code, but unfortunately my limited knowledge of such a sophisticated Python code gives me no possibility to uderstand what's wrong. Any suggestion on how to avoid this error message? TIA, p.t.