[Plugin: Microdata for SEO by Optimum7.com] Problem with the Microdata button: Warning!! and Fatal e

I have a problem with the Microdata button, when I clicked on it appears:
Warning: require_once(../../../wp-config.php) [function.require-once]: failed to open stream: No such file or directory in /home/enyon/etnyka.com/public_html/wp-content/plugins/microdata-for-seo-by-optimum7com/ajax.php on line 7

Fatal error: require_once() [function.require]: Failed opening required ‘../../../wp-config.php’ (include_path=’.:/usr/lib/php:/usr/local/lib/php’) in /home/enyon/etnyka.com/public_html/wp-content/plugins/microdata-for-seo-by-optimum7com/ajax.php on line 7

Any idea of what is going on??

Any Help???

Thanks in advance

https://www.Etnyka.com

https://www.ads-software.com/extend/plugins/microdata-for-seo-by-optimum7com/