更新wordpress和插件后WordPress错误

更新wordpress和网站插件后, 我开始出现错误

Notice: Use of undefined constant REQUEST_URI - assumed 'REQUEST_URI' in /home4/magist31/public_html/magistraldoces.com/wp-content/themes/sinrato/functions.php on line 74Warning: Cannot modify header information - headers already sent by (output started at /home4/magist31/public_html/magistraldoces.com/wp-content/themes/sinrato/functions.php:74) in /home4/magist31/public_html/magistraldoces.com/wp-includes/pluggable.php on line 1265Warning: Cannot modify header information - headers already sent by (output started at /home4/magist31/public_html/magistraldoces.com/wp-content/themes/sinrato/functions.php:74) in /home4/magist31/public_html/magistraldoces.com/wp-includes/pluggable.php on line 1268

【更新wordpress和插件后WordPress错误】http://magistraldoces.com/
#1仅存在一个” 通知” 错误。
你能否尝试查看第74行上的/home4/magist31/public_html/magistraldoces.com/wp-content/themes/sinrato/functions.php。
那里有什么相关代码, 那里有什么错误或确切地是什么。