not owrking to me

with wordpres s 5.4.1 and php 7.4 it not works to me, it show some text data but not the real preview of the products, I just see a big page with text like this after clicking the button FIND AND PREVFIEW PRODCTS:
{“success”:true,”data”:{“found_posts”:”57″,”max_num_pages”:3,”html”:”\t\t<div class=\”wp-list-table-wrap\”>\r\n\t\t<div class=\”tablenav\”>\r\n\t\t\t<div class=\”alignleft\”>\r\n\t\t\t\t<label for=\”pbed-preview-number-show\” class=\”\”>Number of products per page: <\/label>\r\n\t\t\t\t<select name=\”pbed_preview_show\” id=\”pbed-preview-number-show\”>\r\n\t\t\t\t\t\t\t\t\t\t<option value=\”5\”>5<\/option>\r\n\t\t\t\t\t\t\t\t\t\t<option value=\”10\”>10<\/option>\r\n\t\t\t\t\t\t\t\t\t\t<option value=\”15\”>15<\/option>\r\n\t\t\t\t\t\t\t\t\t\t<option selected=’selected’
value=\”20\”>20<\/option>\r\n\t\t\t\t\t\t\t\t\t\t<option value=\”25\”>25<\/option>\r\n\t\t\t\t\t\t\t\t\t\t<option value=\”30\”>30<\/option>\r\n\t\t\t\t\t\t\t\t\t\t<option value=\”35\”>35<\/option>\r\n\t\t\t\t\t\t\t\t\t\t<option value=\”40\”>40<\/option>\r\n\t\t\t\t\t\t\t\t\t\t<option value=\”45\”>45<\/option>\r\n\t\t\t\t\t\t\t\t\t\t<option value=\”50\”>50<\/option>\r\n\t\t\t\t\t\t\t\t\t\t<option value=\”55\”>55<\/option>\r\n\t\t\t\t\t\t\t\t\t\t<option value=\”60\”>60<\/option>\r\n\t\t\t\t\t\t\t\t\t\t<option value=\”65\”>65<\/option>\r\n\t\t\t\t\t\t\t\t\t\t<option value=\”70\”>70<\/option>\r\n\t\t\t\t\t\t\t\t\t\t<option value=\”75\”>75<\/option>\r\n\t\t\t\t\t\t\t\t\t\t<option value=\”80\”>80<\/option>\r\n\t\t\t\t\t\t\t\t\t\t<option value=\”85\”>85<\/option>\r\n\t\t\t\t\t\t\t\t\t\t<option value=\”90\”>90<\/option>\r\n\t\t\t\t\t\t\t\t\t\t<option value=\”95\”>95<\/option>\r\n\t\t\t\t\t\t\t\t\t\t<option value=\”100\”>100<\/option>\r\n\t\t\t\t\t\t\t\t\t<\/select>\r\n\t\t\t<\/div>\r\n\t\t\t<div class=’tablenav-pages’><span class=\”displaying-num\”>57 items<\/span>\n<span class=’pagination-links’><span class=\”tablenav-pages-navspan button disabled\” aria-hidden=\”true\”>«<\/span>\n<span class=\”tablenav-pages-navspan button disabled\” aria-hidden=\”true\”>‹<\/span>\n<span class=\”paging-input\”><label for=\”current-page-selector\” class=\”screen-reader-text\”>Current Page<\/label><input class=’current-page’ id=’current-page-selector’ type=’text’ data-url=” name=’paged’ value=’1`
Plus you should write inte description that the deletion of the products is only in the pro version.