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I have the same problem. Seems that the simulator is not implementing all functionality. E.g. I also have a problem when I want to use 'blackberry.pim.contacts' in the dev alpha simulator (version: BlackBerry10Simulator-BB10_0_09-1673), I get an alert when my application starts that the libpmcontacts.so Library cannot be found. The API page says it is supported, but it is also not working. Main problem for me: Ripple does not simulate all Webworks APIs. Dev Alpha VMWare does not implement everything correctly. And I don't have test hardware, except for the PlayBook. But that also does not support BB10 APIs.