Bug – its showing array in top

Hi dear

I am can look after clean cache show a text on my website with this code

array(7) { [0]=> string(4) "2598" [1]=> string(4) "2597" [2]=> string(4) "2601" [3]=> string(4) "2596" [4]=> string(4) "2595" [5]=> string(4) "2600" [6]=> string(4) "2599" } array(2) { [0]=> string(4) "2638" [1]=> string(4) "2637" }

Thanks for support

https://wordpress.org/plugins/rs-advanced-search/