Importing contacts showing fopen warning message

When I am importing huge data in .csv file for contact imports having 1200+ records, it is showing below errors…

Warning: fopen(upload/import/status_1.csv) [function.fopen]: failed to open stream: No such file or directory in /home/content/html/SuiteCRM/include/upload_file.php on line 753

Warning: fopen(upload://import/status_1.csv) [function.fopen]: failed to open stream: “UploadStream::stream_open” call failed in /home/content/html/SuiteCRM/include/utils/sugar_file_utils.php on line 111

Hi there,

Please set the following recommended permissions:

sudo chown -R www-data:www-data .

sudo chmod -R 755 .

sudo chmod -R 775 cache custom modules themes data upload config_override.php