Are you sure the assignment to $member is correct as new SilverStripe\Securit...dOrCreateDefaultAdmin() targeting SilverStripe\Security\De...dOrCreateDefaultAdmin() seems to always return null.
This check looks for function or method calls that always return null and whose
return value is assigned to a variable.
This check looks for function or method calls that always return null and whose return value is assigned to a variable.
The method
getObject()
can return nothing but null, so it makes no sense to assign that value to a variable.The reason is most likely that a function or method is imcomplete or has been reduced for debug purposes.