Fix the following errors:

uri->segment(2) ?>

> Add Task
uri->segment(1) == 'task' && $link == "list") ? 'class="active"' : "";?>> Active Tasks
> Shared Tasks
> Overdue Tasks
> Archived Tasks
> Task Calendar
uri->segment(1) == 'category' && $link == "list") ? 'class="active"' : "";?>> Task Categories