XF 2.1 ErrorException: Email to forumuser@gmail.com failed: [E_WARNING]

[ak38]

Hi guys,

I've noticed this error in the admin dashboard today, I've got about a dozen of them, not seen these before. Does anyone have any ideas? Full error details below.

All help appreciated

----------------------------------------------------------

• ErrorException: Email to forumuser2@gmail.com failed: [E_WARNING] fopen(/tmp/6541471ac5108018f288703ac0fe2557/body): failed to open stream: Permission denied
• src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/KeyCache/DiskKeyCache.php:293
• Generated by: Unknown account
• Apr 19, 2020 at 12:02 PM

Stack trace
#0 [internal function]: XF::handlePhpError(2, '[E_WARNING] fop...', '/home/xxxxxx/...', 293, Array)
#1 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/KeyCache/DiskKeyCache.php(293): fopen('/tmp/6541471ac5...', 'w+b')
#2 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/KeyCache/DiskKeyCache.php(92): Swift_KeyCache_DiskKeyCache->_getHandle('6541471ac510801...', 'body', 1)
#3 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/KeyCache/SimpleKeyCacheInputStream.php(59): Swift_KeyCache_DiskKeyCache->setString('6541471ac510801...', 'body', '
ThC started a...', 2)
#4 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/ByteStream/AbstractFilterableInputStream.php(176): Swift_KeyCache_SimpleKeyCacheInputStream->write('
ThC started a...')
#5 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/ByteStream/AbstractFilterableInputStream.php(105): Swift_ByteStream_AbstractFilterableInputStream->_doWrite('
ThC started a...')
#6 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/SimpleMimeEntity.php(520): Swift_ByteStream_AbstractFilterableInputStream->commit()
#7 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/SimpleMessage.php(617): Swift_Mime_SimpleMimeEntity->toByteStream(Object(Swift_Transport_StreamBuffer))
#8 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Message.php(170): Swift_Mime_SimpleMessage->toByteStream(Object(Swift_Transport_StreamBuffer))
#9 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/SendmailTransport.php(131): Swift_Message->toByteStream(Object(Swift_Transport_StreamBuffer))
#10 src/XF/Mail/Mailer.php(292): Swift_Transport_SendmailTransport->send(Object(Swift_Message), Array)
#11 src/XF/Mail/Queue.php(138): XF\Mail\Mailer->send(Object(Swift_Message), Object(Swift_SendmailTransport), Array)
#12 src/XF/Job/MailQueue.php(12): XF\Mail\Queue->run(G)
#13 src/XF/Job/Manager.php(253): XF\Job\MailQueue->run(G)
#14 src/XF/Job/Manager.php(195): XF\Job\Manager->runJobInternal(Array, G)
#15 src/XF/Job/Manager.php(79): XF\Job\Manager->runJobEntry(Array, G)
#16 job.php(42): XF\Job\Manager->runQueue(false, 8)
#17 {main}
Request state
array(4) {
["url"] => string(8) "/job.php"
["referrer"] => string(25) "https://mysite.com/"
["_GET"] => array(0) {
}
["_POST"] => array(0) {
}
}