Need Roleplay Website fixed

I am experiencing errors in the roleplay website, https://www.roleplaybox.com and need some assistance on how to fix this. I cannot log into the account to see what is happening or how to even fix this. Please help.

Warning: include(/wfIPWhitelist.php): failed to open stream: No such file or directory in /home/content/p3pnexwpnas07_data01/68/2485768/html/wp-content/plugins/wordfence/waf/bootstrap.php on line 158
Warning: include(): Failed opening '/wfIPWhitelist.php' for inclusion (include_path='.:/usr/local/php5_6/lib/php') in /home/content/p3pnexwpnas07_data01/68/2485768/html/wp-content/plugins/wordfence/waf/bootstrap.php on line 158
Warning: Invalid argument supplied for foreach() in /home/content/p3pnexwpnas07_data01/68/2485768/html/wp-content/plugins/wordfence/waf/bootstrap.php on line 161
Warning: include(/wfIPWhitelist.php): failed to open stream: No such file or directory in /home/content/p3pnexwpnas07_data01/68/2485768/html/wp-content/plugins/wordfence/waf/wfWAFIPBlocksController.php on line 400
Warning: include(): Failed opening '/wfIPWhitelist.php' for inclusion (include_path='.:/usr/local/php5_6/lib/php') in /home/content/p3pnexwpnas07_data01/68/2485768/html/wp-content/plugins/wordfence/waf/wfWAFIPBlocksController.php on line 400
Warning: Invalid argument supplied for foreach() in /home/content/p3pnexwpnas07_data01/68/2485768/html/wp-content/plugins/wordfence/waf/wfWAFIPBlocksController.php on line 401
Warning: session_start(): Cannot send session cookie - headers already sent by (output started at /home/content/p3pnexwpnas07_data01/68/2485768/html/wp-content/plugins/wordfence/waf/bootstrap.php:158) in /home/content/p3pnexwpnas07_data01/68/2485768/html/wp-content/plugins/iflychat/iflychat.php on line 19
Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /home/content/p3pnexwpnas07_data01/68/2485768/html/wp-content/plugins/wordfence/waf/bootstrap.php:158) in /home/content/p3pnexwpnas07_data01/68/2485768/html/wp-content/plugins/iflychat/iflychat.php on line 19
Warning: Cannot modify header information - headers already sent by (output started at /home/content/p3pnexwpnas07_data01/68/2485768/html/wp-content/plugins/wordfence/waf/bootstrap.php:158) in /home/content/p3pnexwpnas07_data01/68/2485768/html/wp-includes/pluggable.php on line 1179