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java.lang.IllegalArgumentException: bad base-64	at android.util.Base64.decode(Base64.java:161)	at android.util.Base64.decode(Base64.java:136)	at android.util.Base64.decode(Base64.java:118)	at com.microsoft.aad.adal.StorageHelper.decrypt(StorageHelper.java:261)	at com.microsoft.aad.adal.DefaultTokenCacheStore.decrypt(DefaultTokenCacheStore.java:140)	at com.microsoft.aad.adal.DefaultTokenCacheStore.getItem(DefaultTokenCacheStore.java:158)	at com.microsoft.aad.adal.TokenCacheAccessor.getRegularRefreshTokenCacheItem(TokenCacheAccessor.java:89)	at com.microsoft.aad.adal.TokenCacheAccessor.getATFromCache(TokenCacheAccessor.java:62)	at com.microsoft.aad.adal.AcquireTokenSilentHandler.getAccessToken(AcquireTokenSilentHandler.java:100)	at com.microsoft.aad.adal.AuthenticationContext.localFlow(AuthenticationContext.java:1461)	at com.microsoft.aad.adal.AuthenticationContext.acquireTokenAfterValidation(AuthenticationContext.java:1448)	at com.microsoft.aad.adal.AuthenticationContext.acquireTokenLocalCall(AuthenticationContext.java:1261)	at com.microsoft.aad.adal.AuthenticationContext.access$900(AuthenticationContext.java:73)	at com.microsoft.aad.adal.AuthenticationContext$7.run(AuthenticationContext.java:1220)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)	at java.lang.Thread.run(Thread.java:818)