error 500

[arabeevideo]

hello evryone
while testing the keywords analyzer I am having "500 : internal error server",do you have an idea please?this is my website url :
arabeevideo.com
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[XML-Sitemaps Support]

Hello,

your website returns http code 500 on your homepage for some reason (while it should be code 200): https://www.xml-sitemaps.com/http-headers-viewer.html?op=http-headers-viewer&go=1&pageurl=http%3A%2F%2Farabeevideo.com%2F&se=xmlsitemaps&submit=View