500 internet server error

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InMotionFans
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my website www. yangtze-river-cruises.com is 500 internet server error. How long will it be recovered?
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JacobIMH
Hello, and thank you for your question about the 500 internet server error. It does indeed look like your website was encountering a 500 Internal Server Error. The actual root of the problem was with PHP and being hidden from display. I went ahead and turned on PHP error logging for your website and noticed this error being logged: PHP Fatal error: [Zend Guard Loader] Extension "Zend Guard Loader" cannot be loaded twice in Unknown on line 0 Knowing that Zend Guard is enabled by your php.ini file, I took a look at this on your account and noticed these lines at the very bottom: 
zend_extension="/usr/local/Zend/lib/Guard-5.5.0/php-5.3.x/ZendGuardLoader.so"
zend_extension="/usr/local/IonCube/ioncube_loader_lin_5.3.so"
zend_extension="/usr/local/Zend/lib/Guard-5.5.0/php-5.3.x/ZendGuardLoader.so"
So it looks like the Zend Guard PHP extension was getting loaded twice and this was causing a conflict. I went ahead and removed the last duplicate entry and this resolved the 500 errors on your website. Please let us know if you're still having any issues at all. - Jacob