BuddyPress.org

Hello @dcavins
I did it on another site. but I have more than 30 active plugins. I can not find.
What I find weird is the periodicity
I disabled the backup and mymail. Where could it come from?

[24-Feb-2018 00:59:35 UTC] PHP Warning:  mysqli_query(): Error reading result set's header in /home/../wp-includes/wp-db.php on line 1924
[24-Feb-2018 01:56:20 UTC] PHP Warning:  mysqli_query(): MySQL server has gone away in /home/../wp-includes/wp-db.php on line 1924
[24-Feb-2018 01:56:20 UTC] PHP Warning:  mysqli_query(): Error reading result set's header in /home/../wp-includes/wp-db.php on line 1924
[24-Feb-2018 02:56:52 UTC] PHP Warning:  mysqli_query(): MySQL server has gone away in /home/../wp-includes/wp-db.php on line 1924
[24-Feb-2018 02:56:52 UTC] PHP Warning:  mysqli_query(): Error reading result set's header in /home/../wp-includes/wp-db.php on line 1924
[24-Feb-2018 03:57:24 UTC] PHP Warning:  mysqli_query(): MySQL server has gone away in /home/../wp-includes/wp-db.php on line 1924
[24-Feb-2018 03:57:24 UTC] PHP Warning:  mysqli_query(): Error reading result set's header in /home/../wp-includes/wp-db.php on line 1924
[24-Feb-2018 04:57:56 UTC] PHP Warning:  mysqli_query(): MySQL server has gone away in /home/../wp-includes/wp-db.php on line 1924
[24-Feb-2018 04:57:56 UTC] PHP Warning:  mysqli_query(): Error reading result set's header in /home/../wp-includes/wp-db.php on line 1924
[24-Feb-2018 05:58:28 UTC] PHP Warning:  mysqli_query(): MySQL server has gone away in /home/../wp-includes/wp-db.php on line 1924
[24-Feb-2018 05:58:28 UTC] PHP Warning:  mysqli_query(): Error reading result set's header in /home/../wp-includes/wp-db.php on line 1924
[24-Feb-2018 06:59:00 UTC] PHP Warning:  mysqli_query(): MySQL server has gone away in /home/../wp-includes/wp-db.php on line 1924
[24-Feb-2018 06:59:00 UTC] PHP Warning:  mysqli_query(): Error reading result set's header in /home/../wp-includes/wp-db.php on line 1924
[24-Feb-2018 07:57:09 UTC] PHP Warning:  mysqli_query(): MySQL server has gone away in /home/../wp-includes/wp-db.php on line 1924
[24-Feb-2018 07:57:09 UTC] PHP Warning:  mysqli_query(): Error reading result set's header in /home/../wp-includes/wp-db.php on line 1924
[24-Feb-2018 08:56:17 UTC] PHP Warning:  mysqli_query(): MySQL server has gone away in /home/../wp-includes/wp-db.php on line 1924
[24-Feb-2018 08:56:17 UTC] PHP Warning:  mysqli_query(): Error reading result set's header in /home/../wp-includes/wp-db.php on line 1924
[24-Feb-2018 09:56:11 UTC] PHP Warning:  mysqli_query(): MySQL server has gone away in /home/../wp-includes/wp-db.php on line 1924
[24-Feb-2018 09:56:11 UTC] PHP Warning:  mysqli_query(): Error reading result set's header in /home/../wp-includes/wp-db.php on line 1924