I noticed warnings like this in the puppetserver logs:
2020-06-01T16:13:11.870Z WARN [qtp605080165-47] [puppetserver] Puppet This method is deprecated, please use the stdlib validate_legacy
function,
with Stdlib::Compat::Bool. There is further documentation for validate_legacy function in the README. at ["/etc/pup
petlabs/code/environments/production/modules/sensuclassic/manifests/init.pp", 631]:["/etc/puppetlabs/code/environments/production/site-
modules/role/manifests/common.pp", 8]
...
Description of problem
I noticed warnings like this in the puppetserver logs: