Fatal error: Call to a member function register() on a non-object public_html/wp-includes/widgets.php on line 431 in Wordpress -


i have added php file in wordpress theme getting post id , called using ajax , working fine before. giving

fatal error: call member function register() on non-object in /public_html/wp-includes/widgets.php on line 431

for getting post data have included 

require('../../../wp-load.php');

any solution, in advance!


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