Cant delete file after i make it shared public link

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1

i cant delete the files from web interface so i delete them from server DFTP… yet files still thier and now new error as below
this is what come up from log

Doctrine\DBAL\Exception\DriverException: An exception occurred while executing ‘SELECT fileid FROM oc_filecache WHERE storage = ? AND path_hash = ?’ with params [3, “1aedb04aaf5d9a264bd28dfe7afa0232”]: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away

  1. /home/jenancloud/public_html/nextcloud/3rdparty/doctrine/dbal/lib/Doctrine/DBAL/DBALException.php - line 128: Doctrine\DBAL\Driver\AbstractMySQLDriver->convertException(‘An exception oc…’, Object(Doctrine\DBAL\Driver\PDOException))
  2. /home/jenancloud/public_html/nextcloud/3rdparty/doctrine/dbal/lib/Doctrine/DBAL/Connection.php - line 855: Doctrine\DBAL\DBALException driverExceptionDuringQuery(Object(Doctrine\DBAL\Driver\PDOMySql\Driver), Object(Doctrine\DBAL\Driver\PDOException), ‘SELECT fileid…’, Array)
  3. /home/jenancloud/public_html/nextcloud/lib/private/DB/Connection.php - line 195: Doctrine\DBAL\Connection->executeQuery(‘SELECT fileid…’, Array, Array, NULL)
  4. /home/jenancloud/public_html/nextcloud/lib/private/Files/Cache/Cache.php - line 392: OC\DB\Connection->executeQuery(‘SELECT fileid…’, Array)
  5. /home/jenancloud/public_html/nextcloud/lib/private/Files/Cache/Cache.php - line 411: OC\Files\Cache\Cache->getId(‘uploads/web-fil…’)
  6. /home/jenancloud/public_html/nextcloud/lib/private/Files/Cache/Scanner.php - line 175: OC\Files\Cache\Cache->getParentId(‘uploads/web-fil…’)
  7. /home/jenancloud/public_html/nextcloud/lib/private/Files/Cache/Scanner.php - line 336: OC\Files\Cache\Scanner->scanFile(‘uploads/web-fil…’, 3, -1, NULL, false)
  8. /home/jenancloud/public_html/nextcloud/lib/private/Files/Cache/Updater.php - line 124: OC\Files\Cache\Scanner->scan(‘uploads/web-fil…’, false, -1, false)
  9. /home/jenancloud/public_html/nextcloud/apps/dav/lib/Connector/Sabre/File.php - line 232: OC\Files\Cache\Updater->update(‘uploads/web-fil…’)
  10. /home/jenancloud/public_html/nextcloud/apps/dav/lib/Connector/Sabre/Directory.php - line 156: OCA\DAV\Connector\Sabre\File->put(Resource id #645)
  11. /home/jenancloud/public_html/nextcloud/apps/dav/lib/Upload/UploadFolder.php - line 39: OCA\DAV\Connector\Sabre\Directory->createFile(‘0’, Resource id #645)
  12. /home/jenancloud/public_html/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php - line 1096: OCA\DAV\Upload\UploadFolder->createFile(‘0’, Resource id #645)
  13. /home/jenancloud/public_html/nextcloud/3rdparty/sabre/dav/lib/DAV/CorePlugin.php - line 529: Sabre\DAV\Server->createFile(‘uploads/jenan/w…’, Resource id #645, NULL)
  14. [internal function] Sabre\DAV\CorePlugin->httpPut(Object(Sabre\HTTP\Request), Object(Sabre\HTTP\Response))
  15. /home/jenancloud/public_html/nextcloud/3rdparty/sabre/event/lib/EventEmitterTrait.php - line 105: call_user_func_array(Array, Array)
  16. /home/jenancloud/public_html/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php - line 479: Sabre\Event\EventEmitter->emit(‘method PUT’, Array)
  17. /home/jenancloud/public_html/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php - line 254: Sabre\DAV\Server->invokeMethod(Object(Sabre\HTTP\Request), Object(Sabre\HTTP\Response))
  18. /home/jenancloud/public_html/nextcloud/apps/dav/lib/Server.php - line 287: Sabre\DAV\Server->exec()
  19. /home/jenancloud/public_html/nextcloud/apps/dav/appinfo/v2/remote.php - line 35: OCA\DAV\Server->exec()
  20. /home/jenancloud/public_html/nextcloud/remote.php - line 164: require_once(’/home/jenanclou…’)
  21. {main}