MediaeraCMS Error when merging block [mp] : MySql error message when opening the query: No database selected

MediaeraCMS Error when merging block [promo_sinistra] : MySql error message when opening the query: No database selected

MediaeraCMS Error when merging block [promo_centro] : MySql error message when opening the query: No database selected

MediaeraCMS Error when merging block [promo_destra] : MySql error message when opening the query: No database selected
Database error: cannot use database Sql169747_1
MySQL Error: 1049 (Unknown database 'Sql169747_1')
Session halted.