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via Stack Overflow by Tom Brito
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There must be one required installer
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There must be one required installer
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java.lang.RuntimeException: There must be one required installer	at com.android.server.pm.PackageManagerService.getRequiredInstallerLPr(PackageManagerService.java:2416)	at com.android.server.pm.PackageManagerService.(PackageManagerService.java:2322)	at com.android.server.pm.PackageManagerService.main(PackageManagerService.java:1763)	at com.android.server.SystemServer.startBootstrapServices(SystemServer.java:366)	at com.android.server.SystemServer.run(SystemServer.java:268)	at com.android.server.SystemServer.main(SystemServer.java:168)	at java.lang.reflect.Method.invoke(Native Method)	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)