Log in troubles

Greetings!

Unfortunately, I can’t log in. When I attempt to log in to https://www.harvesthomeanimal.org/blog/wp-login.php, I receive the following message on the web browser:

Deprecated: Assigning the return value of new by reference is deprecated in /home/harvest/www/www/blog/wp-includes/cache.php on line 33

Warning: Cannot modify header information – headers already sent by (output started at /home/harvest/www/www/blog/wp-includes/cache.php:33) in /home/harvest/www/www/blog/wp-login.php on line 9

Warning: Cannot modify header information – headers already sent by (output started at /home/harvest/www/www/blog/wp-includes/cache.php:33) in /home/harvest/www/www/blog/wp-includes/pluggable-functions.php on line 308

Warning: Cannot modify header information – headers already sent by (output started at /home/harvest/www/www/blog/wp-includes/cache.php:33) in /home/harvest/www/www/blog/wp-includes/pluggable-functions.php on line 309

Warning: Cannot modify header information – headers already sent by (output started at /home/harvest/www/www/blog/wp-includes/cache.php:33) in /home/harvest/www/www/blog/wp-includes/pluggable-functions.php on line 270

Help and thank you!
Christine Morrissey