By Katie Kerwin McCrimmon Federal health officials have required Colorado to create contingency plans in case the states health exchange cant function as planned by the beginning of October. Documents that Solutions obtained show that Colorado health exchange managers are preparing for three primary problems that could undermine the planned Oct. 1 launch: A federal data hub that does not work and therefore cannot verify income, immigration status or whether people applying for health plans are living behind bars. A recent report from the Government Accounting Office has found that potential problems with the hub could hamper state exchanges. The…