It looks like the link pointing here was faulty. Maybe try searching?

Fatal error: Uncaught wfWAFStorageFileException: Unable to save temporary file for atomic writing. in /home/vdygtqgo/public_html/kofiandadjoasstories.com/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php:35 Stack trace: #0 /home/vdygtqgo/public_html/kofiandadjoasstories.com/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php(659): wfWAFStorageFile::atomicFilePutContents('/home/vdygtqgo/...', '<?php exit('Acc...') #1 [internal function]: wfWAFStorageFile->saveConfig('livewaf') #2 {main} thrown in /home/vdygtqgo/public_html/kofiandadjoasstories.com/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php on line 35