newrelic.so warning failure on all hosting beta sites

all sites reporting

[22-Dec-2018 13:09:10 UTC] PHP Warning: PHP Startup: Unable to load dynamic library 'newrelic.so' (tried: /usr/lib/php/20180731/newrelic.so (/usr/lib/php/20180731/newrelic.so: cannot open shared object file: No such file or directory), /usr/lib/php/20180731/newrelic.so.so (/usr/lib/php/20180731/newrelic.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0