When scan - File locked

[amam]

Exception during scan: “files/3d0ce6b0c2f018d87b6af53da36df80f” is locked
#0 /var/www/nextcloud/lib/private/Files/Storage/Common.php(747): OC\Lock\DBLockingProvider->acquireLock(‘files/3d0ce6b0c…’, 2)
#1 /var/www/nextcloud/lib/private/Files/Storage/Wrapper/Wrapper.php(593): OC\Files\Storage\Common->acquireLock(‘scanner::’, 2, Object(OC\Lock\DBLockingProvider))
#2 /var/www/nextcloud/lib/private/Files/Cache/Scanner.php(332): OC\Files\Storage\Wrapper\Wrapper->acquireLock(‘scanner::’, 2, Object(OC\Lock\DBLockingProvider))
#3 /var/www/nextcloud/lib/private/Files/Utils/Scanner.php(261): OC\Files\Cache\Scanner->scan(’’, true, 3)
#4 /var/www/nextcloud/apps/files/lib/Command/Scan.php(151): OC\Files\Utils\Scanner->scan(’/3CA8232B-AF10-…’, true, NULL)
#5 /var/www/nextcloud/apps/files/lib/Command/Scan.php(207): OCA\Files\Command\Scan->scanFiles(‘3CA8232B-AF10-4…’, ‘/3CA8232B-AF10-…’, Object(Symfony\Component\Console\Output\ConsoleOutput), false, true, false)
#6 /var/www/nextcloud/3rdparty/symfony/console/Command/Command.php(255): OCA\Files\Command\Scan->execute(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#7 /var/www/nextcloud/core/Command/Base.php(168): Symfony\Component\Console\Command\Command->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#8 /var/www/nextcloud/3rdparty/symfony/console/Application.php(915): OC\Core\Command\Base->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#9 /var/www/nextcloud/3rdparty/symfony/console/Application.php(272): Symfony\Component\Console\Application->doRunCommand(Object(OCA\Files\Command\Scan), Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#10 /var/www/nextcloud/3rdparty/symfony/console/Application.php(148): Symfony\Component\Console\Application->doRun(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#11 /var/www/nextcloud/lib/private/Console/Application.php(214): Symfony\Component\Console\Application->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#12 /var/www/nextcloud/console.php(99): OC\Console\Application->run()
#13 /var/www/nextcloud/occ(11): require_once(’/var/www/nextcl…’)
#14 {main}