Yes, I have this log error:
2021-08-20 15:12:31.394594 [NOTICE] [1153158] [T0] [10.125.125.145:57188#APVH_thaiduonggia.com] [STDERR] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (1) in /home/thaid579/public_html/wp-includes/functions.php on line 4979
2021-08-20 15:12:31.394582 [NOTICE] [1153158] [T0] [10.125.125.145:57188#APVH_thaiduonggia.com] [STDERR] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (1) in /home/thaid579/public_html/wp-includes/functions.php on line 4979
Please see the FTP access in private content.