Error: Class 'Smarty_Internal_Undefined' on Daily Cron

[allytkn]

Hi

We have an error with WHMCS daily cron. 

 

Error: Class 'Smarty_Internal_Undefined' not found in /home/username/public_html/mp/vendor/smarty/smarty/libs/sysplugins/smarty_internal_extension_handler.php:168

 

Full logs bellow.

Error: Class 'Smarty_Internal_Undefined' not found in /home/username/public_html/mp/vendor/smarty/smarty/libs/sysplugins/smarty_internal_extension_handler.php:168

#0 /home/username/public_html/mp/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(277): Smarty_Internal_Extension_Handler->__get('registerPlugin')
#1 /home/username/public_html/mp/vendor/whmcs/whmcs-foundation/lib/Smarty.php(0): Smarty_Internal_TemplateBase->registerPlugin('modifier', 'sprintf2', Array)
#2 /home/username/public_html/mp/vendor/whmcs/whmcs-foundation/lib/Mail/Emailer.php(0): WHMCS\Smarty->__construct(false, 'mail')
#3 /home/username/public_html/mp/vendor/whmcs/whmcs-foundation/lib/Mail/Emailer.php(0): WHMCS\Mail\Emailer->prepare()
#4 /home/username/public_html/mp/includes/functions.php(0): WHMCS\Mail\Emailer->send()
#5 /home/username/public_html/mp/vendor/whmcs/whmcs-foundation/lib/Cron/Task/InvoiceReminders.php(0): sendMessage('First Invoice O...', 13785)
#6 /home/username/public_html/mp/vendor/whmcs/whmcs-foundation/lib/Cron/Task/InvoiceReminders.php(0): WHMCS\Cron\Task\InvoiceReminders->sendOverdueInvoiceReminders()
#7 [internal function]: WHMCS\Cron\Task\InvoiceReminders->__invoke()
#8 /home/username/public_html/mp/vendor/whmcs/whmcs-foundation/lib/Scheduling/Task/AbstractTask.php(0): call_user_func_array(Object(WHMCS\Cron\Task\InvoiceReminders), Array)
#9 /home/username/public_html/mp/vendor/whmcs/whmcs-foundation/lib/Scheduling/Task/AbstractTask.php(0): WHMCS\Scheduling\Task\AbstractTask->execute()
#10 /home/username/public_html/mp/vendor/whmcs/whmcs-foundation/lib/Cron/Console/Command/AbstractCronCommand.php(0): WHMCS\Scheduling\Task\AbstractTask->run()
#11 /home/username/public_html/mp/vendor/whmcs/whmcs-foundation/lib/Cron/Console/Command/AbstractCronCommand.php(0): WHMCS\Cron\Console\Command\AbstractCronCommand->executeCollection(Object(WHMCS\Scheduling\Task\Collection))
#12 /home/username/public_html/mp/vendor/symfony/console/Command/Command.php(259): WHMCS\Cron\Console\Command\AbstractCronCommand->execute(Object(WHMCS\Cron\Console\Input\CliInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#13 /home/username/public_html/mp/vendor/symfony/console/Application.php(844): Symfony\Component\Console\Command\Command->run(Object(WHMCS\Cron\Console\Input\CliInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#14 /home/username/public_html/mp/vendor/symfony/console/Application.php(192): Symfony\Component\Console\Application->doRunCommand(Object(WHMCS\Cron\Console\Command\AllCommand), Object(WHMCS\Cron\Console\Input\CliInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#15 /home/username/public_html/mp/vendor/symfony/console/Application.php(123): Symfony\Component\Console\Application->doRun(Object(WHMCS\Cron\Console\Input\CliInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#16 /home/username/public_html/mp/crons/cron.php(0): Symfony\Component\Console\Application->run(Object(WHMCS\Cron\Console\Input\CliInput), Object(Symfony\Component\Console\Output\ConsoleOutput))