PHP error from the Code Snippet plugin file

My website is on WPEngine that provide realtime logs. I have the plugin Code Snippet (Version 3.4.2) and recently I found it is triggering error

PHP Warning: Use of undefined constant REQUEST_URI – assumed ‘REQUEST_URI’ (this will throw an Error in a future version of PHP) in /nas/content/live/somawww/wp-content/plugins/code-snippets/php/snippet-ops.php(575) : eval()‘d code on line 2

I have WordPress version of 6.2.2 and PHP version of 7.4

Kindly help to resolve this error.

Thanks

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