Fixed catchable fatal error during message failure

PHP Catchable fatal error:  Argument 1 passed to Jacobine\Consumer\ConsumerAbstract::getContextOfCommand() must be an instance of Symfony\Component\Process\Process, null given, called in src/Jacobine/Consumer/Download/Git.php on line 136 and defined in src/Jacobine/Consumer/ConsumerAbstract.php on line 389

Catchable fatal error: Argument 1 passed to Jacobine\Consumer\ConsumerAbstract::getContextOfCommand() must be an instance of Symfony\Component\Process\Process, null given, called in src/Jacobine/Consumer/Download/Git.php on line 136 and defined in src/Jacobine/Consumer/ConsumerAbstract.php on line 389