How to Fix mod_fcgid: can't apply process slot PHP Error

mod_fcgid: can't apply process slot for varwwwcgi-bincgi_wrapper mod_fcgid_ can't apply process slot mod_fcgid: can't apply process slot mod_fcgid_ can''t apply process slot for _var_www_cgibin_cgi_wrapper_cgi_wrapper While server is in good load state, , they bring down the HTTPD by bringing down Fastcgid Code: mod_fcgid: can't apply process slot

mod_fcgid_ can''t apply process slot for fcgid occasional issue where it runs out of slots, or the process slots aren't deleted , so I'm just curious to know