According to Viber's documentation page, the property for failed event description should be desc and not dsc.
Respectivelly, the method should return $this->desc and the getter's name should match the property name:
public function getDesc() { return $this->desc; }
viber-bot-php/src/Api/Event/Failed.php
Line 44 in 176dc93
According to Viber's documentation page, the property for failed event description should be
descand notdsc.Respectivelly, the method should return
$this->descand the getter's name should match the property name:public function getDesc() { return $this->desc; }