The error reads:
The profile of this Individual is not currently available, either because they are not currently qualified, they have disabled their profile, or the profile does not exist.
BizWriter is not the only one with the issue, there is a thread at Google AdWords Help forums with complaints from other AdWords professionals.
One said they contacted Google about this and they promised to investigate it. So far, the links still do not work.
Forum discussion at Google AdWords Help.