Fatal error: Uncaught wfWAFStorageFileException: Unable to verify temporary file contents for atomic writing. in /home/w21140/web/public_html/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php:51
Stack trace:
#0 /home/w21140/web/public_html/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php(658): wfWAFStorageFile::atomicFilePutContents('/home/w21140/we...', '<?php exit('Acc...')
#1 [internal function]: wfWAFStorageFile->saveConfig('livewaf')
#2 {main}
  thrown in /home/w21140/web/public_html/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php on line 51