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<b>Fatal error</b>:  Uncaught InvalidArgumentException: wfWAFAttackDataStorageFileEngine::unpackMicrotime $binary expected to be string with length of 8, received string of length 0 in /srv/users/deer/apps/deer/public/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php:922
Stack trace:
#0 /srv/users/deer/apps/deer/public/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php(254): wfWAFAttackDataStorageFileEngine::unpackMicrotime('')
#1 /srv/users/deer/apps/deer/public/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php(1191): wfWAFStorageFile-&gt;_getAttackDataRowsNewerThan(Resource id #10, 52182, 615)
#2 /srv/users/deer/apps/deer/public/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php(239): wfWAFAttackDataStorageFileEngine-&gt;scanRowsReverse(Array)
#3 /srv/users/deer/apps/deer/public/wp-content/plugins/wordfence/lib/wordfenceClass.php(8114): wfWAFStorageFile-&gt;getNewestAttackDataArray('0.000000')
#4 /srv/users/deer/apps/deer/public in <b>/srv/users/deer/apps/deer/public/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php</b> on line <b>922</b><br />
<br />
<b>Fatal error</b>:  Uncaught wfWAFStorageFileException: Unable to verify temporary file contents for atomic writing. in /srv/users/deer/apps/deer/public/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php:47
Stack trace:
#0 /srv/users/deer/apps/deer/public/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php(651): wfWAFStorageFile::atomicFilePutContents('/srv/users/deer...', '&lt;?php exit('Acc...')
#1 [internal function]: wfWAFStorageFile-&gt;saveConfig('livewaf')
#2 {main}
  thrown in <b>/srv/users/deer/apps/deer/public/wp-content/plugins/wordfence/vendor/wordfence/wf-waf/src/lib/storage/file.php</b> on line <b>47</b><br />
<br />
<b>Warning</b>:  Unknown: write failed: No space left on device (28) in <b>Unknown</b> on line <b>0</b><br />
<br />
<b>Warning</b>:  Unknown: Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/srv/users/deer/tmp/deer) in <b>Unknown</b> on line <b>0</b><br />
