if (!isset($settings['username'])||$settings['username']=='') $error .= ('Error 404: Username empty or not set in database' . PHP_EOL);
if (!isset($settings['password'])||$settings['password']=='') $error .= ('Error 405: Password empty or not set in database' . PHP_EOL);
if (!isset($settings['thumbQuality'])||$settings['thumbQuality']=='') $error .= ('Error 406: No or wrong property for thumbQuality in database' . PHP_EOL);
if (!isset($settings['imagick'])||$settings['imagick']=='') $error .= ('Error 409: No or wrong property for imagick in database' . PHP_EOL);
if (!isset($settings['checkForUpdates'])||($settings['checkForUpdates']!='0'&&$settings['checkForUpdates']!='1')) $error .= ('Error 410: No or wrong property for checkForUpdates in database' . PHP_EOL);
if (hasPermissions(LYCHEE_UPLOADS_BIG)===false) $error .= ('Error 500: \'uploads/big\' missing or not readable and writable (777 required)' . PHP_EOL);
if (hasPermissions(LYCHEE_UPLOADS_MEDIUM)===false) $error .= ('Error 500: \'uploads/medium\' missing or not readable and writable (777 required)' . PHP_EOL);
if (hasPermissions(LYCHEE_UPLOADS_THUMB)===false) $error .= ('Error 501: \'uploads/thumb\' missing or not readable and writable (777 required)' . PHP_EOL);
if (hasPermissions(LYCHEE_UPLOADS_IMPORT)===false) $error .= ('Error 502: \'uploads/import\' missing or not readable and writable (777 required)' . PHP_EOL);
if (hasPermissions(LYCHEE_UPLOADS)===false) $error .= ('Error 503: \'uploads/\' missing or not readable and writable (777 required)' . PHP_EOL);
if (hasPermissions(LYCHEE_DATA)===false) $error .= ('Error 504: \'data/\' missing or not readable and writable (777 required)' . PHP_EOL);
if (ini_get('max_execution_time')<200&&ini_set('upload_max_filesize','20M')===false)echo('Warning:Youmayexperienceproblemswhenuploadingalargeamountofphotos.TakealookintheFAQfordetails.'.PHP_EOL);
if ($database->server_version<50500)echo('Warning:LycheeusestheGBKcharsettoavoidsqlinjectionsonyourMySQLversion.PleaseupdatetoMySQL5.5orhighertoenableUTF-8support.'.PHP_EOL);