Error while checking the available disk space of temporary PHP path

Hello,
I updated from 27 to 28.06 on my hosted NC and now I get this error message:
Error while checking the available disk space of temporary PHP path or no free disk space returned. Temporary path: /var/www/clients/client132/web704/tmp
It seems to be the same problem as in this bug:

But there is no clear solution and I think its better to give support in the forum.

Thanks in advance!

PS:
Tools at hand: ssh, php my admin

Nextcloud version (eg, 29.0.5): 28.06
Operating system and version (eg, Ubuntu 29.04): don't know (hosted)
Apache or nginx version (eg, Apache 2.4.25): don't know (hosted)
PHP version (eg, 8.3): 8.2

The issue you are facing:

Is this the first time you’ve seen this error? (Y/N): Y

Steps to replicate it:
I updated from 27 to 28.06.
and now I have the message Error while checking the available disk space of temporary PHP path or no free disk space returned. Temporary path: /var/www/clients/client132/web704/tmp

The output of your Nextcloud log in Admin > Logging:

Log
Error	notifications	
QueryException Could not resolve Random\Randomizer! Class "Random\Randomizer" does not exist
Failed to load notification notifier class: OCA\Passwords\Services\NotificationService
23.06.2024, 20:44:36 	
Error	notifications	
QueryException Could not resolve Random\Randomizer! Class "Random\Randomizer" does not exist
Failed to load notification notifier class: OCA\Passwords\Services\NotificationService
23.06.2024, 20:44:06 	
Error	notifications	
QueryException Could not resolve Random\Randomizer! Class "Random\Randomizer" does not exist
Failed to load notification notifier class: OCA\Passwords\Services\NotificationService
23.06.2024, 20:43:36 	
Debug	dav	
No calendar events found for status check
23.06.2024, 20:43:36 	
Debug	dav	
No calendar events found for status check
23.06.2024, 20:43:36 	
Error	notifications	
QueryException Could not resolve Random\Randomizer! Class "Random\Randomizer" does not exist
Failed to load notification notifier class: OCA\Passwords\Services\NotificationService
23.06.2024, 20:43:11 	
Debug	dav	
No calendar events found for status check
23.06.2024, 20:43:10 	
Error	notifications	
QueryException Could not resolve Random\Randomizer! Class "Random\Randomizer" does not exist
Failed to load notification notifier class: OCA\Passwords\Services\NotificationService
23.06.2024, 20:42:41 	
Error	notifications	
QueryException Could not resolve Random\Randomizer! Class "Random\Randomizer" does not exist
Failed to load notification notifier class: OCA\Passwords\Services\NotificationService
23.06.2024, 20:42:11 	
Debug	dav	
No calendar events found for status check
23.06.2024, 20:42:10 	
Error	notifications	
QueryException Could not resolve Random\Randomizer! Class "Random\Randomizer" does not exist
Failed to load notification notifier class: OCA\Passwords\Services\NotificationService
23.06.2024, 20:41:41 	
Error	notifications	
QueryException Could not resolve Random\Randomizer! Class "Random\Randomizer" does not exist
Failed to load notification notifier class: OCA\Passwords\Services\NotificationService
23.06.2024, 20:41:11 	
Debug	dav	
No calendar events found for status check
23.06.2024, 20:40:47 	
Error	notifications	
QueryException Could not resolve Random\Randomizer! Class "Random\Randomizer" does not exist
Failed to load notification notifier class: OCA\Passwords\Services\NotificationService
23.06.2024, 20:40:41 	
Error	notifications	
QueryException Could not resolve Random\Randomizer! Class "Random\Randomizer" does not exist
Failed to load notification notifier class: OCA\Passwords\Services\NotificationService
23.06.2024, 20:40:11 	
Error	notifications	
QueryException Could not resolve Random\Randomizer! Class "Random\Randomizer" does not exist
Failed to load notification notifier class: OCA\Passwords\Services\NotificationService
23.06.2024, 20:39:41 	
Error	notifications	
QueryException Could not resolve Random\Randomizer! Class "Random\Randomizer" does not exist
Failed to load notification notifier class: OCA\Passwords\Services\NotificationService
23.06.2024, 20:39:11 	
Debug	no app in context	
Running check OCA\Theming\SetupChecks\PhpImagickModule
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\PushService
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\TransactionIsolation
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\TempSpaceAvailable
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\SystemIs64bit
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\SupportedDatabase
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\ReadOnlyConfig
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\RandomnessSecure
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\PhpOutputBuffering
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\PhpOutdated
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\PhpOpcacheSetup
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\PhpModules
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\PhpMemoryLimit
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\PhpGetEnv
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\PhpFreetypeSupport
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\PhpDisabledFunctions
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\PhpDefaultCharset
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\OverwriteCliUrl
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\MysqlUnicodeSupport
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\MemcacheConfigured
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\MaintenanceWindowStart
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\LegacySSEKeyFormat
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\JavaScriptModules
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\InternetConnectivity
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\ForwardedForHeaders
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\FileLocking
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\EmailTestSuccessful
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\DefaultPhoneRegionSet
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\DebugMode
23.06.2024, 20:39:05 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\DatabasePendingBigIntConversions
23.06.2024, 20:39:04 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\DatabaseHasMissingPrimaryKeys
23.06.2024, 20:39:04 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\DatabaseHasMissingIndices
23.06.2024, 20:39:04 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\DatabaseHasMissingColumns
23.06.2024, 20:39:04 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\CronInfo
23.06.2024, 20:39:04 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\CronErrors
23.06.2024, 20:39:04 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\CodeIntegrity
23.06.2024, 20:39:04 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\CheckUserCertificates
23.06.2024, 20:39:04 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\BruteForceThrottler
23.06.2024, 20:39:04 	
Debug	no app in context	
Running check OCA\Settings\SetupChecks\AppDirsWithDifferentOwner
23.06.2024, 20:39:04 	
Debug	no app in context	
Running check OCA\Passwords\SetupChecks\BackgroundJobsExecutedWithCronSetupCheck
23.06.2024, 20:39:04 	
Debug	no app in context	
Running check OCA\Passwords\SetupChecks\BackgroundJobsPhpVersionSetupCheck
23.06.2024, 20:39:04 	
Debug	no app in context	
Running check OCA\Notifications\Settings\SetupWarningOnRateLimitReached
23.06.2024, 20:39:04 	
Debug	no app in context	
Running check OCA\LogReader\SetupChecks\LogErrors
23.06.2024, 20:39:04 	
Debug	no app in context	
Running check OCA\DAV\SetupChecks\NeedsSystemAddressBookSync
23.06.2024, 20:39:04 	
Error	no app in context	
Exception Failed to construct console command 'OCA\Passwords\Command\BackupCreateCommand': Could not resolve Random\Randomizer! Class "Random\Randomizer" does not exist
23.06.2024, 20:39:04 	
Info	passwords	
Passwords runs occ in global mode
23.06.2024, 20:39:03 	
Error	notifications	
QueryException Could not resolve Random\Randomizer! Class "Random\Randomizer" does not exist
Failed to load notification notifier class: OCA\Passwords\Services\NotificationService
23.06.2024, 20:38:41 	
Debug	dav	
No calendar events found for status check
23.06.2024, 20:38:23 	
Error	notifications	
QueryException Could not resolve Random\Randomizer! Class "Random\Randomizer" does not exist
Failed to load notification notifier class: OCA\Passwords\Services\NotificationService
23.06.2024, 20:38:11 	
Error	notifications	
QueryException Could not resolve Random\Randomizer! Class "Random\Randomizer" does not exist
Failed to load notification notifier class: OCA\Passwords\Services\NotificationService
23.06.2024, 20:37:41 	
Error	notifications	
QueryException Could not resolve Random\Randomizer! Class "Random\Randomizer" does not exist
Failed to load notification notifier class: OCA\Passwords\Services\NotificationService
23.06.2024, 20:37:11 	
Debug	dav	
No calendar events found for status check
23.06.2024, 20:37:10 	
Error	notifications	
QueryException Could not resolve Random\Randomizer! Class "Random\Randomizer" does not exist
Failed to load notification notifier class: OCA\Passwords\Services\NotificationService
23.06.2024, 20:36:41 	
Error	notifications	
QueryException Could not resolve Random\Randomizer! Class "Random\Randomizer" does not exist
Failed to load notification notifier class: OCA\Passwords\Services\NotificationService
23.06.2024, 20:36:11 	
Error	notifications	
QueryException Could not resolve Random\Randomizer! Class "Random\Randomizer" does not exist
Failed to load notification notifier class: OCA\Passwords\Services\NotificationService
23.06.2024, 20:35:41 

The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):

config.php
<?php
$CONFIG = array (
  'instanceid' => 'xxxx',
  'passwordsalt' => 'xxx',
  'secret' => 'xxxx',
  'trusted_domains' => 
  array (
    0 => 'mydomain.org',
  ),
  'datadirectory' => '/var/www/clients/client132/web704/web/nextcloud/data',
  'dbtype' => 'mysql',
  'version' => '28.0.6.1',
  'overwrite.cli.url' => 'http://mydomain.org/nextcloud',
  'dbname' => 'db_Nextcloud',
  'dbhost' => '127.0.0.1:3306',
  'dbport' => '',
  'dbtableprefix' => 'oc_',
  'dbuser' => 'xxxx',
  'dbpassword' => 'xxxx',
  'installed' => true,
  'maintenance' => false,
  'theme' => '',
  'loglevel' => 0,
  'updater.release.channel' => 'stable',
  'mail_smtpmode' => 'smtp',
  'mail_smtpsecure' => 'tls',
  'mail_sendmailmode' => 'smtp',
  'mail_from_address' => 'nextcloud',
  'mail_domain' => 'mydomain.org',
  'mail_smtpauthtype' => 'LOGIN',
  'mail_smtpport' => '587',
  'mail_smtphost' => 'mydomain.org',
  'app_install_overwrite' => 
  array (
    0 => 'spreed',
    1 => 'maps',
  ),
  'mail_smtpauth' => 1,
  'mail_smtpname' => 'xxxx',
  'mail_smtppassword' => 'xxxx',
  'mysql.utf8mb4' => true,
  'memcache.local' => '\\OC\\Memcache\\APCu',
  'updater.secret' => 'xxxxxx',
);

The output of your Apache/nginx/system log in /var/log/____:

[Sun Jun 23 19:11:12 2024] [error] [pid 4032283] mod_autoindex.c(2326): AH01276: Cannot serve directory /usr/local/ispconfig/interface/acme/.well-known/pki-validation/: No matching DirectoryIndex (index.html,index.cgi,index.pl,index.php,index.xhtml,index.htm,index.html,index.cgi,index.pl,index.php,index.xhtml,index.htm,standard_index.html) found, and server-generated directory index forbidden by Options directive
[Sun Jun 23 19:11:13 2024] [error] [pid 4032283] mod_autoindex.c(2326): AH01276: Cannot serve directory /usr/local/ispconfig/interface/acme/.well-known/acme-challenge/: No matching DirectoryIndex (index.html,index.cgi,index.pl,index.php,index.xhtml,index.htm,index.html,index.cgi,index.pl,index.php,index.xhtml,index.htm,standard_index.html) found, and server-generated directory index forbidden by Options directive
[Sun Jun 23 20:16:37 2024] [error] [pid 1570793] mod_access_compat.c(350): AH01797: client denied by server configuration: /var/www/clients/client132/web704/web/nextcloud/data/.ocdata
[Sun Jun 23 20:17:10 2024] [error] [pid 1570793] mod_access_compat.c(350): AH01797: client denied by server configuration: /var/www/clients/client132/web704/web/nextcloud/data/.ocdata

Output errors in nextcloud.log in /var/www/ or as admin user in top right menu, filtering for errors. Use a pastebin service if necessary.

Couldn't find.

Hello?
Can anyone help please?

I have had the same message with my hosted Nextcloud for some time.
This is due to my provider who has blocked a php function.

Their support replied to my enquiry:
“Nextcloud is probably trying to access a php function which has been blocked by us. As long as this only leads to a message in the software, this should not be an issue and can be ignored by you.”

Thanks for the info.

In the issue tracker was now also enlightening comment:

So I suppose it is the same for me.

Do you know if bad things can happen, while this error is in place? It is not really clear from the error message…

My Nextcloud works perfectly (calendar, contacts, file sharing, updates), despite this error message.
I cannot judge whether issues can occur because of this.