Replacing mysql_real_escape_string in WordPress theme

As mysql_real_escape_string() was deprecated in PHP 5.5.0, and it was removed in PHP 7.0.0, you can try esc_sql() to work for later WP/PHP versions.

Replace mysql_real_escape_string() with esc_sql() at line 111 & 118 in your admin-interface.php file.

Hope this should work well for you!

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