Maybe this will help too but it is too long to include it all here:
{"reqId":"kQhLkN3KL6tnJfgYdpAN","remoteAddr":"94.213.128.14","app":"PHP","message":"PHP Startup: Unable to load dynamic library '\/usr\/lib\/php\/20151012\/pdo_msql.so' - \/usr\/lib\/php\/20151012\/pdo_msql.so: cannot open shared object file: No such file or directory at Unknown#0","level":3,"time":"2016-08-25T06:00:36+00:00","method":"POST","url":"\/owncloud\/index.php\/login","user":"ivdadmin"}
{"reqId":"jVCnzdxSSNDpIn4WA+WP","remoteAddr":"94.213.128.14","app":"PHP","message":"PHP Startup: Unable to load dynamic library '\/usr\/lib\/php\/20151012\/pdo_msql.so' - \/usr\/lib\/php\/20151012\/pdo_msql.so: cannot open shared object file: No such file or directory at Unknown#0","level":3,"time":"2016-08-25T06:00:38+00:00","method":"GET","url":"\/owncloud\/index.php\/apps\/files\/","user":"ivdadmin"}
{"reqId":"Mk+TNae9P9z5mf9OouPT","remoteAddr":"94.213.128.14","app":"PHP","message":"PHP Startup: Unable to load dynamic library '\/usr\/lib\/php\/20151012\/pdo_msql.so' - \/usr\/lib\/php\/20151012\/pdo_msql.so: cannot open shared object file: No such file or directory at Unknown#0","level":3,"time":"2016-08-25T06:00:41+00:00","method":"GET","url":"\/owncloud\/ocs\/v2.php\/apps\/notifications\/api\/v1\/notifications?format=json","user":"ivdadmin"}
{"reqId":"y3IB69QkP7ZAUT6bihnq","remoteAddr":"94.213.128.14","app":"PHP","message":"PHP Startup: Unable to load dynamic library '\/usr\/lib\/php\/20151012\/pdo_msql.so' - \/usr\/lib\/php\/20151012\/pdo_msql.so: cannot open shared object file: No such file or directory at Unknown#0","level":3,"time":"2016-08-25T06:00:50+00:00","method":"GET","url":"\/owncloud\/index.php\/core\/preview.png?file=%2Fdocuments%2Fboeken%2FPHP+Solutions+2e+%5BA4%5D.pdf&c=872695fdc8240dbb703a61921cc53c04&x=32&y=32&forceIcon=0","user":"ivdadmin"}
{"reqId":"aI267LaL4x04Rp2NLD5j","remoteAddr":"94.213.128.14","app":"files_antivirus","message":"OCA\Files_Antivirus\BackgroundScanner::run, exception: An exception occurred while executing 'SELECT fc.fileid
FROM oc_filecache
fc LEFT JOIN oc_files_antivirus
fa ON fa.fileid
= fc.fileid
INNER JOIN oc_storages
ss ON (fc.storage
= ss.numeric_id
) AND ((ss.id
LIKE 'local::%') OR (ss.id
LIKE 'home::%')) WHERE (fc.mimetype
<> '2') AND ((fa.fileid
IS NULL) OR (fc.mtime
> fa.check_time
)) AND (fc.path
LIKE 'files\/%') AND (fc.size
<> 0
) LIMIT 5':\n\nSQLSTATE[42S22]: Column not found: 1054 Unknown column '0' in 'where clause'","level":3,"time":"2016-08-25T06:01:36+00:00","method":"GET","url":"\/owncloud\/cron.php","user":"--"}
{"reqId":"vvdfNT5Y3AXCpSVTsj31","remoteAddr":"192.168.178.18","app":"core","message":"Trusted domain error. \"192.168.178.18\" tried to access using \"192.168.178.12\" as host.","level":2,"time":"2016-08-25T06:48:06+00:00","method":"GET","url":"\/owncloud\/index.php","user":"--"}
{"reqId":"vvdfNT5Y3AXCpSVTsj31","remoteAddr":"192.168.178.18","app":"PHP","message":"PHP Startup: Unable to load dynamic library '\/usr\/lib\/php\/20151012\/pdo_msql.so' - \/usr\/lib\/php\/20151012\/pdo_msql.so: cannot open shared object file: No such file or directory at Unknown#0","level":3,"time":"2016-08-25T06:48:06+00:00","method":"GET","url":"\/owncloud\/index.php","user":"--"}
{"reqId":"m54pbKPyGHvjJgf0nim6","remoteAddr":"192.168.178.18","app":"core","message":"Trusted domain error. \"192.168.178.18\" tried to access using \"192.168.178.12\" as host.","level":2,"time":"2016-08-25T06:48:07+00:00","method":"GET","url":"\/owncloud\/index.php\/core\/js\/oc.js?v=be50520626dffad1c8d91790d20fccc6","user":"--"}
{"reqId":"rG+9SYrvKCb3Mzg1EB6c","remoteAddr":"192.168.178.18","app":"core","message":"Trusted domain error. \"192.168.178.18\" tried to access using \"192.168.178.12\" as host.","level":2,"time":"2016-08-25T06:48:08+00:00","method":"GET","url":"\/owncloud\/index.php\/core\/js\/oc.js?v=be50520626dffad1c8d91790d20fccc6","user":"--"}
{"reqId":"HA63ffrpik1fCdp2igUy","remoteAddr":"192.168.178.18","app":"core","message":"Trusted domain error. \"192.168.178.18\" tried to access using \"192.168.178.12\" as host.","level":2,"time":"2016-08-25T06:48:11+00:00","method":"GET","url":"\/owncloud\/cron.php","user":"--"}
{"reqId":"HA63ffrpik1fCdp2igUy","remoteAddr":"192.168.178.18","app":"PHP","message":"PHP Startup: Unable to load dynamic library '\/usr\/lib\/php\/20151012\/pdo_msql.so' - \/usr\/lib\/php\/20151012\/pdo_msql.so: cannot open shared object file: No such file or directory at Unknown#0","level":3,"time":"2016-08-25T06:48:11+00:00","method":"GET","url":"\/owncloud\/cron.php","user":"--"}