How do I accept all Facebook pending friends request at once without block.

I have about 900+ facebook pending friends request, my account always get blocked when i try accepting it with facebook Toolkit or any scripts like below.

Code:
javascript: var field = document.getElementsByClassName("_42ft _4jy0 _4jy3 _4jy1 selected _51sy"); for (i = 0; i < field.length; i++)field[i].click() ;

Block message

How do I accept all Facebook pending friends request at once without block.