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Another day, another Obamacare glitch. This time, the issue is more than 13,000 people who have signed up for health insurance, but the insurance companies have no idea who they are.

From the Associated Press:

The government says the problem is real but under control. Officials say the total number of problem cases they are trying to resolve with insurers currently stands at about 13,000. That includes orphan records. More than 1 million people have signed up through the federal insurance market that serves 36 states. Officials contend the error rate for new signups is close to zero.

Insurers, however, are less enthusiastic about the pace of the fixes. The companies also are seeing cases in which the government has assigned the same identification number to more than one person, as well as so-called “ghost” files in which the insurer has an enrollment record but the government does not.