After disabling the plesk newrelic extension The error appears to me of aletaria form:
A PHP Error Was encountered
Severity: Core warning
Message: PHP startup; Unable to load dynamic library '/opt/plesk/php/7.0/lib/php/modules/newrelic.so' -
/opt/plesk/php/7.0/lib/php/modules/newrelic.so: cannot open shared object file: No such file or directory
filename: unknown
Line Number: 0
backtrace:
Why this error?