Erro ao logar

Esta retornando esse erro quando logo no meu wordpress, o que pode estar de errado?

Warning: call_user_func() expects parameter 1 to be a valid callback, function 's.t.r.r.e.v' not found or invalid function name in /home/maripani/public_html/wp-content/themes/Divi/includes/widgets/widget-ads.php on line 349

Warning: call_user_func() expects parameter 1 to be a valid callback, function 's.t.r.r.e.v' not found or invalid function name in /home/maripani/public_html/wp-content/themes/Divi/includes/widgets/widget-ads.php on line 350

Warning: call_user_func() expects parameter 1 to be a valid callback, function 's.t.r.r.e.v' not found or invalid function name in /home/maripani/public_html/wp-content/themes/Divi/includes/widgets/widget-ads.php on line 355

Warning: call_user_func() expects parameter 1 to be a valid callback, no array or string given in /home/maripani/public_html/wp-content/themes/Divi/includes/widgets/widget-ads.php on line 356

Warning: call_user_func() expects parameter 1 to be a valid callback, function 's.t.r.r.e.v' not found or invalid function name in /home/maripani/public_html/wp-content/themes/Divi/includes/widgets/widget-ads.php on line 357

Warning: Cannot modify header information - headers already sent by (output started at /home/maripani/public_html/wp-content/themes/Divi/includes/widgets/widget-ads.php:349) in/home/maripani/public_html/wp-content/themes/Divi/includes/widgets/widget-ads.php on line 358

Warning: Cannot modify header information - headers already sent by (output started at /home/maripani/public_html/wp-content/themes/Divi/includes/widgets/widget-ads.php:349) in/home/maripani/public_html/wp-includes/pluggable.php on line 1207