<br />
<b>Fatal error</b>:  Uncaught Error: Call to undefined function wp() in /opt/bitnami/apps/iwiznet.cn/htdocs/wp-blog-header.php:16
Stack trace:
#0 /opt/bitnami/apps/iwiznet.cn/htdocs/index.php(17): require()
#1 {main}
  thrown in <b>/opt/bitnami/apps/iwiznet.cn/htdocs/wp-blog-header.php</b> on line <b>16</b><br />
<br />
<b>Fatal error</b>:  Uncaught wfWAFStorageFileException: Unable to save temporary file for atomic writing. in /opt/bitnami/apps/iwiznet.cn/htdocs/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php:35
Stack trace:
#0 /opt/bitnami/apps/iwiznet.cn/htdocs/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php(659): wfWAFStorageFile::atomicFilePutContents('/opt/bitnami/ap...', '&lt;?php exit('Acc...')
#1 [internal function]: wfWAFStorageFile-&gt;saveConfig('livewaf')
#2 {main}
  thrown in <b>/opt/bitnami/apps/iwiznet.cn/htdocs/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php</b> on line <b>35</b><br />