This error indicates that your page header has already been sent.
Warning: Cannot Modify header information - headers already sent by
(output Started at /home/akaua982/public_html/wp-config.php:1) in
/home/akaua982/public_html/wp-includes/pluggable.php on line 1211
when using a server side language any white space before opening php is considered a header output for the client. As in the case there was already the sending of the header in the file /home/akaua982/public_html/wp-config.php in line 1 as indicated in the error message it is impossible to change the header in line 1211 of the file /home/akaua982/public_html/wp-includes/pluggable.php because it already gave output. Look in your wp-config.php file for blank lines before opening php code or after closing and remove. This should fix the problem.