Alt attribute for images in Litespeed avatar folder is missing

When I test my website with pagespeed or rank math seo tool analyzer, it show the following error and I don’t know how to solve the problem. Please help, this degrades the seo rating of my site.

<img data-lazyloaded="1" src="data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxNTAiIGhlaWdodD0iMTUwIiB2aWV3Qm94PSIwIDAgMTUwIDE1MCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgc3R5bGU9ImZpbGw6I2NmZDRkYjtmaWxsLW9wYWNpdHk6IDAuMTsiLz48L3N2Zz4=" width="150" height="150" data-od-xpath="/*[1][self::HTML]/*[2][self::BODY]/*[1][self::DIV]/*[2][self::HEADER]/*[2][self::NAV]/*[6][self::DIV]/*[1][self::DIV]/*[1][self::DIV]/*[1][self::DIV]/*[2][self::DIV]/*[2][self::DIV]/*[1][self::DIV]/*[1][self::DIV]/*[2][self::DIV]/*[3][self::DIV]/*[1][self::SPAN]/*[1][self::A]/*[1][self::SPAN]/*[1][self::IMG]" data-src="https://xxx.com/wp-content/litespeed/avatar/09b0c50a04176f1e8a14e191501e4112.jpg?ver=1728462348"><img data-lazyloaded="1" src="data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxNTAiIGhlaWdodD0iMTUwIiB2aWV3Qm94PSIwIDAgMTUwIDE1MCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgc3R5bGU9ImZpbGw6I2NmZDRkYjtmaWxsLW9wYWNpdHk6IDAuMTsiLz48L3N2Zz4=" width="150" height="150" data-od-added-loading data-od-xpath="/*[1][self::HTML]/*[2][self::BODY]/*[1][self::DIV]/*[2][self::HEADER]/*[2][self::NAV]/*[6][self::DIV]/*[1][self::DIV]/*[1][self::DIV]/*[1][self::DIV]/*[2][self::DIV]/*[2][self::DIV]/*[2][self::DIV]/*[1][self::DIV]/*[2][self::DIV]/*[3][self::DIV]/*[1][self::SPAN]/*[1][self::A]/*[1][self::SPAN]/*[1][self::IMG]" loading="lazy" data-src="https://xxx.com/wp-content/litespeed/avatar/09b0c50a04176f1e8a14e191501e4112.jpg?ver=1728462348"><img data-lazyloaded="1" src="data:image/
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The page I need help with: [log in to see the link]