Issue Plagued by fastCGI errors

[tkalfaoglu]

I am often seeing:
[Mon Mar 13 07:55:37 2017] [emerg] [client 173.252.90.93] (13)Permission denied: mod_fcgid: can't lock process table in pid 61602
[Mon Mar 13 07:55:37 2017] [emerg] [client 173.252.121.114] (13)Permission denied: mod_fcgid: can't lock process table in pid 61600

errors in the error logs.. I am not sure how to resolve it.. The permissions appear alright, and it "mostly works".. How can I fix this?

 

[tkalfaoglu]

It only happens with php code.. even a very simple:
<? php
echo "hello world";
?>
causes this error.
The file permissions looks like:
-rw-r--r-- 1 starweb psacln 22 Mar 13 00:22 test.php

 

[IgorG]

Not the same case?

https://talk.plesk.com/threads/solved-fastcgi-problems.333862/#post-783334