Laravel 5.2: The Process class relies on proc_open, which is not available on your PHP installation

After many weeks of trying to resolve this error. The following fixes worked

  1. Upgrade project from Laravel 5.2 to 5.4
  2. On CPanel using “Select Php version” set PHP version to 7
  3. Or on CPanel using “MultiPHP Manager” set PHP version to ea-php70

Now, cron job runs smoothly. I hope this helps someone.

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