Timestamp format to use for output, 'ISO_8601' or 'MW'. 'MW' is deprecated here, so all clients should switch to 'ISO_8601'. This parameter will be removed, and 'ISO_8601' will become the only output format.
The database is currently locked to new entries and other modifications, probably for routine database maintenance, after which it will be back to normal.
The system administrator who locked it offered this explanation: Major Server Maintenance, Access wil be restored soon.
