Hi Petr,
thanks for the reply.
DB is no empty at all but I should have backups.
Here is what happens when I launch cqrlog executable.: everything seems to be fine till I select the DB.
vittorio@ik1rac:~$ cqrlog Loading libssl: /usr/lib/i386-linux-gnu/libssl.so.1.0.0Loading libcrypto: /usr/lib/i386-linux-gnu/libcrypto.so.1.0.0Loading libmysqlclient: /usr/lib/i386-linux-gnu/libmysqlclient.so.18Loaded 51464 LoTW usersLoaded 60718 eQSL users*User home directory:    /home/vittorio/Program home directory: /home/vittorio/.config/cqrlog/Data directory:         /home/vittorio/.config/cqrlog/database/Memebers directory:     /usr/share/cqrlog/members/ZIP code directory:     /usr/share/cqrlog/zipcodes/Binary dir:             /usr/bin/Share dir:              /usr/share/cqrlog/*/usr/sbin/mysqld --defaults-file=/home/vittorio/.config/cqrlog/database/my.cnf --default-storage-engine=MyISAM --datadir=/home/vittorio/.config/cqrlog/database/ --socket=/home/vittorio/.config/cqrlog/database/sock --skip-grant-tables --port=64000 --key_buffer_size=32M --key_buffer_size=4096K140305 21:36:20 [Note] Plugin 'FEDERATED' is disabled.140305 21:36:20 InnoDB: The InnoDB memory heap is disabled140305 21:36:20 InnoDB: Mutexes and rw_locks use GCC atomic builtins140305 21:36:20 InnoDB: Compressed tables use zlib 1.2.7140305 21:36:20 InnoDB: Using Linux native AIO140305 21:36:20 InnoDB: Initializing buffer pool, size = 128.0M140305 21:36:20 InnoDB: Completed initialization of buffer pool140305 21:36:20 InnoDB: highest supported file format is Barracuda.140305 21:36:20  InnoDB: Waiting for the background threads to start140305 21:36:21 InnoDB: 5.5.35 started; log sequence number 1595675140305 21:36:21 [Note] Server hostname (bind-address): '0.0.0.0'; port: 64000140305 21:36:21 [Note]   - '0.0.0.0' resolves to '0.0.0.0';140305 21:36:21 [Note] Server socket created on IP: '0.0.0.0'.140305 21:36:21 [Warning] Can't open and lock time zone table: Table 'mysql.time_zone_leap_second' doesn't exist trying to live without them140305 21:36:21 [ERROR] Can't open and lock privilege tables: Table 'mysql.servers' doesn't exist140305 21:36:21 [ERROR] Native table 'performance_schema'.'events_waits_current' has the wrong structure140305 21:36:21 [ERROR] Native table 'performance_schema'.'events_waits_history' has the wrong structure140305 21:36:21 [ERROR] Native table 'performance_schema'.'events_waits_history_long' has the wrong structure140305 21:36:21 [ERROR] Native table 'performance_schema'.'setup_consumers' has the wrong structure140305 21:36:21 [ERROR] Native table 'performance_schema'.'setup_instruments' has the wrong structure140305 21:36:21 [ERROR] Native table 'performance_schema'.'setup_timers' has the wrong structure140305 21:36:21 [ERROR] Native table 'performance_schema'.'performance_timers' has the wrong structure140305 21:36:21 [ERROR] Native table 'performance_schema'.'threads' has the wrong structure140305 21:36:21 [ERROR] Native table 'performance_schema'.'events_waits_summary_by_thread_by_event_name' has the wrong structure140305 21:36:21 [ERROR] Native table 'performance_schema'.'events_waits_summary_by_instance' has the wrong structure140305 21:36:21 [ERROR] Native table 'performance_schema'.'events_waits_summary_global_by_event_name' has the wrong structure140305 21:36:21 [ERROR] Native table 'performance_schema'.'file_summary_by_event_name' has the wrong structure140305 21:36:21 [ERROR] Native table 'performance_schema'.'file_summary_by_instance' has the wrong structure140305 21:36:21 [ERROR] Native table 'performance_schema'.'mutex_instances' has the wrong structure140305 21:36:21 [ERROR] Native table 'performance_schema'.'rwlock_instances' has the wrong structure140305 21:36:21 [ERROR] Native table 'performance_schema'.'cond_instances' has the wrong structure140305 21:36:21 [ERROR] Native table 'performance_schema'.'file_instances' has the wrong structure140305 21:36:21 [Note] /usr/sbin/mysqld: ready for connections.Version: '5.5.35-0+wheezy1'  socket: '/home/vittorio/.config/cqrlog/database/sock'  port: 64000  (Debian)select * from tables where table_schema = 'cqrlog_common'SELECT log_nr,log_name FROM cqrlog_common.log_list order by log_nruse cqrlog001TApplication.HandleException  : Error executing query: Unknown database 'cqrlog001'  Stack trace:  $083A2215  $08450D15  $08452110  $08423BC3  $084247D9  $080EEECA  $081671FB  $08267416  $082C290F  $082C3056  $082C35A1  $082C281A  $0806CEC6  $0825C95F  $08339DE7  $08344860  $B70D8C57Closing BandMap windowClosing DXCluster windowClosing TRXControl windowClosing GrayLine windowEnd dmDXCCComplete end dmDXCCClosing dDXCCClosing dData/home/vittorio/.config/cqrlog/database/ik1rac.pidCommand: kill 3723140305 21:37:02 [Note] /usr/sbin/mysqld: Normal shutdown140305 21:37:02  InnoDB: Starting shutdown...WARNING: TLCLComponent.Destroy with LCLRefCount>0. Hint: Maybe the component is processing an event?Closing ini file ...An unhandled exception occurred at $FFFFFFFF :EAccessViolation :   $FFFFFFFF  $0806CEC6  $0825C95F  $08082F99  $082654B8  $0825AA19  $0825A97F  $08085ACA  $08259412  $0826D36E  $0826A900  $0808114F  $08084D39  $0808C0C4  $0805E16F  $B6CF8E46vittorio@ik1rac:~$ 140305 21:37:03  InnoDB: Shutdown completed; log sequence number 1595675140305 21:37:03 [Note] /usr/sbin/mysqld: Shutdown complete