XML request error: OK (200)

hi im trying to incorporate ckeditor + ckfinder to my project
but im getting an error when hitting the browse server button
an error message appears and no folders tree is rendered on the popup window

error :

XML request error: OK (200)
Do you want to see more info?

URL requested: "http://localhost:8080/centronatural/ckfinder/core/connector/php/connector.php?command=Init&type=Images&langCode=es"
Server response:
Status: 200
Response text:
<?php