Sample App KeyStore Error

Hello,

I am attempting to build and run the sample applicaiton at https://github.com/MapQuest/mq-navigation-sdk-reference-app-android but getting the following keystore error when starting navigation:

2019-02-25 16:30:44.297 10168-10427/com.mapquest.navigation.sampleapp W/KeyStore: KeyStore exception
android.os.ServiceSpecificException: (code 7)
at android.os.Parcel.createException(Parcel.java:1956)
at android.os.Parcel.readException(Parcel.java:1910)
at android.os.Parcel.readException(Parcel.java:1860)
at android.security.IKeystoreService$Stub$Proxy.get(IKeystoreService.java:786)
at android.security.KeyStore.get(KeyStore.java:195)
at android.security.keystore.AndroidKeyStoreSpi.engineGetCertificate(AndroidKeyStoreSpi.java:144)
at android.security.keystore.AndroidKeyStoreSpi.engineGetCertificateChain(AndroidKeyStoreSpi.java:111)
at java.security.KeyStoreSpi.engineGetEntry(KeyStoreSpi.java:484)
at java.security.KeyStore.getEntry(KeyStore.java:1560)
at com.mapquest.navigation.internal.observer.storage.keystore.KeyStoreGeneratorKt.rsaEncrypt(KeyStoreGenerator.kt:178)
at com.mapquest.navigation.internal.observer.storage.keystore.KeyStoreGeneratorKt.getSecretKey(KeyStoreGenerator.kt:164)
at com.mapquest.navigation.internal.observer.storage.keystore.KeyStoreGeneratorKt.getKeyStore(KeyStoreGenerator.kt:43)
at com.mapquest.navigation.internal.observer.storage.keystore.PrivateKeyStore$Companion.getPrivateKeyStore(PrivateKeyStore.kt:10)
at com.mapquest.navigation.internal.observer.storage.LocalStorageEncryptor$Companion$getInstance$1.run(LocalStorageEncryptor.kt:38)
at java.lang.Thread.run(Thread.java:764)
2019-02-25 16:30:44.304 10168-10427/com.mapquest.navigation.sampleapp W/KeyStore: KeyStore exception
android.os.ServiceSpecificException: (code 7)
at android.os.Parcel.createException(Parcel.java:1956)
at android.os.Parcel.readException(Parcel.java:1910)
at android.os.Parcel.readException(Parcel.java:1860)
at android.security.IKeystoreService$Stub$Proxy.get(IKeystoreService.java:786)
at android.security.KeyStore.get(KeyStore.java:195)
at android.security.keystore.AndroidKeyStoreSpi.engineGetCertificate(AndroidKeyStoreSpi.java:149)
at android.security.keystore.AndroidKeyStoreSpi.engineGetCertificateChain(AndroidKeyStoreSpi.java:111)
at java.security.KeyStoreSpi.engineGetEntry(KeyStoreSpi.java:484)
at java.security.KeyStore.getEntry(KeyStore.java:1560)
at com.mapquest.navigation.internal.observer.storage.keystore.KeyStoreGeneratorKt.rsaEncrypt(KeyStoreGenerator.kt:178)
at com.mapquest.navigation.internal.observer.storage.keystore.KeyStoreGeneratorKt.getSecretKey(KeyStoreGenerator.kt:164)
at com.mapquest.navigation.internal.observer.storage.keystore.KeyStoreGeneratorKt.getKeyStore(KeyStoreGenerator.kt:43)
at com.mapquest.navigation.internal.observer.storage.keystore.PrivateKeyStore$Companion.getPrivateKeyStore(PrivateKeyStore.kt:10)
at com.mapquest.navigation.internal.observer.storage.LocalStorageEncryptor$Companion$getInstance$1.run(LocalStorageEncryptor.kt:38)
at java.lang.Thread.run(Thread.java:764)
2019-02-25 16:30:44.318 10168-10427/com.mapquest.navigation.sampleapp E/AndroidRuntime: FATAL EXCEPTION: Thread-4923
Process: com.mapquest.navigation.sampleapp, PID: 10168
java.lang.NullPointerException: invalid null input
at java.security.KeyStore$PrivateKeyEntry.(KeyStore.java:559)
at java.security.KeyStore$PrivateKeyEntry.(KeyStore.java:526)
at java.security.KeyStoreSpi.engineGetEntry(KeyStoreSpi.java:485)
at java.security.KeyStore.getEntry(KeyStore.java:1560)
at com.mapquest.navigation.internal.observer.storage.keystore.KeyStoreGeneratorKt.rsaEncrypt(KeyStoreGenerator.kt:178)
at com.mapquest.navigation.internal.observer.storage.keystore.KeyStoreGeneratorKt.getSecretKey(KeyStoreGenerator.kt:164)
at com.mapquest.navigation.internal.observer.storage.keystore.KeyStoreGeneratorKt.getKeyStore(KeyStoreGenerator.kt:43)
at com.mapquest.navigation.internal.observer.storage.keystore.PrivateKeyStore$Companion.getPrivateKeyStore(PrivateKeyStore.kt:10)
at com.mapquest.navigation.internal.observer.storage.LocalStorageEncryptor$Companion$getInstance$1.run(LocalStorageEncryptor.kt:38)
at java.lang.Thread.run(Thread.java:764)

Any help is greatly appreciated :)