mod_fcgid: can't apply process slot for usrlocalcpanelcgi-sysphp5

mod_fcgid: can't apply process slot for varwwwcgi-bincgi_wrappercgi_wrapper, referer:

Website hosted in Plesk server is not accessible under heavy load: mod_fcgid: can't apply process slot for varwwwcgi-bincgi_wrappercgi_wrapper · Symptoms

mod_fcgid_ can''t apply process slot for _var_www_cgibin_cgi_wrapper_cgi_wrapper mod_fcgid: can't apply process slot

mod_fcgid_ can''t apply process slot for mod_fcgid: can't apply process slot for usrsharesmokepingcgi [Thu Nov 17 22:46