there, I'm getting

Hi there,
I'm getting error in diferent sites (all of them in the same server provider).
One of them is very light: awalab.tech
I'm getting this error o server:
[23-Nov-2016 11:16:57 UTC] PHP Warning: copy(/usr/home/awalab.tech/web/wp-content/upgrade/1d1ec1e6b99ce4553ad3fe4caea8aa394517ae29-BceCOm/wp-defender/dash-notice/wpmudev-dash-notification.php): failed to open stream: No such file or directory in /usr/home/awalab.tech/web/wp-admin/includes/class-wp-filesystem-direct.php on line 257
[23-Nov-2016 11:16:57 UTC] PHP Warning: copy(/usr/home/awalab.tech/web/wp-content/upgrade/1d1ec1e6b99ce4553ad3fe4caea8aa394517ae29-BceCOm/wp-defender/dash-notice/wpmudev-dash-notification.php): failed to open stream: No such file or directory in /usr/home/awalab.tech/web/wp-admin/includes/class-wp-filesystem-direct.php on line 257

On snapshot console the error is just: <empty message>

Any idea? Could be the memory limit of the server? I have tested it with 256s but still failing...
thanks!