Most tasks can be closed without any special intervention, however on occasion, a task may relate to a transfer or to a specific animal.
In this case, the task may block closure until the transfer or animal has been processed. If this is the case, you will see the following message:
This task containts open items, these must be resolved before the task can be closed.
This means you will need to either:
Once this is complete, you will be able to close the task.