This check will not pass, if not all linked issues (of a certain link type), have a particular status.
For example in the Testing and Fixing Bugs use case, the tester shall not set a test to 'Ok' as long as there are still open bugs for that.
Bug 'BF-25' has note yet bee fixed, it is still in the status 'In Progress'. When the user tries to click on 'Ok' on the corresponding test, he will get the following message:
However, we allow the user to ignore all open bugs by ticking the corresponding checkbox.