How to fix the «Ttl doesn't work with Lexik\Bundle\MaintenanceBundle\Drivers\FileDriver driver»?

System Administration
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1 
app/console lexik:maintenance:lock --env prod

You are about to launch maintenance
Ttl doesn’t work with Lexik\Bundle\MaintenanceBundle\Drivers\FileDriver driver
WARNING! Are you sure you wish to continue? (y/n)