Jira issue originally created by user nicokaiser:
The ConvertMapping class tries to call "parent::validate()", but the parent class is abstract, so this fails.
Comment created by nicokaiser:
This affects all Cli/Tasks, they have to be changed as well.
Issue was closed with resolution "Fixed"
Imported 1 attachments from Jira into https://gist.github.com/4686a4441e8271b378aa