Fatal error: Uncaught wfWAFStorageFileException: Unable to verify temporary file contents for atomic writing. in /var/www/vhosts/wokingham-tc.gov.uk/httpdocs/bookfest/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php:47 Stack trace: #0 /var/www/vhosts/wokingham-tc.gov.uk/httpdocs/bookfest/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php(648): wfWAFStorageFile::atomicFilePutContents('/var/www/vhosts...', '<?php exit('Acc...') #1 [internal function]: wfWAFStorageFile->saveConfig('transient') #2 {main} thrown in /var/www/vhosts/wokingham-tc.gov.uk/httpdocs/bookfest/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php on line 47