Troubleshooting the System CronIf the system cron configuration is incorrect or it encounters problems when running, you may see problems with automation throughout WHMCS.
Cron Metrics Polling TimeoutTroubleshoot and resolve issues with the system cron job timing out during metrics polling.
Cron System Queue TimeoutTroubleshoot and resolve issues with the cron job becoming stuck while executing the system queue.
Fatal Memory Size ErrorsTroubleshoot and resolve Fatal error: Allowed memory size of 33554432 bytes exhausted (tried to allocate 20480 bytes) errors.
Intermittent Cron FailuresTroubleshoot and resolve issues with intermittent system cron run failures.
No Input File Specified ErrorsAdmins receive a No input file specified error email every five minutes.
System Timezone IssuesTroubleshoot and resolve timezone-related automation issues, like incorrect timestamps or cron frequency warnings.
Unable to Communicate ErrorsTroubleshoot and resolve Unable to communicate with the WHMCS installation errors.
Undefined curl_init() Function ErrorsTroubleshoot and resolve Call to undefined function curl_init() errors.
Whoops Exception ErrorsTroubleshoot and resolve Whoops Exception Maximum execution time of 30 seconds exceeded errors.