Expert Me2Pro : timeout fcgid

J'ai des soucies avec mon inventaire vers Amazon.
Erreurs fréquentes "Request wait timeout exceeded"

Expertise:
Magento/Me2Pro

Plesk / Nginx / Apache et surtout fast cgi
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Piste donnée par le support M2ePro:

It looks like the issue is related to the max execution time configuration specified on your hosting:

Maximum execution time of 60 seconds exceeded

It should be at least Max Execution Time: 360 sec

Also, we noticed, Php is running using fast cgi module on your webserver. It has its own settings that override max_execution_time in php.ini or .htaccess.
Please check this link [URL visible pour les membres Pro]
and pay attention to the following directives :
- FcgidBusyTimeout
- FcgidIdleTimeout
- FcgidIOTimeout

You need to check and increase them in your fast cgi configuration