Script error for "core/first"

Re: Script error for "core/first"

{$a->নাম} - {$a->তারিখ} দ্বারা
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If you look at the line above, it tried to load first.js but failed with a 500 error (internal server error). If you try loading that first.js URL in your browser, you may see an error message explaining why, otherwise you'll have to do some more investigation in your web server logs.