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An error occurred while executing doInBackground()
java.lang.NoClassDefFoundError: Failed resolution of: Lio/card/payment/CardIOActivity;	at com.paypal.android.sdk.payments.ds.doInBackground(Unknown Source)	at android.os.AsyncTask$2.call(AsyncTask.java:295)	at java.util.concurrent.FutureTask.run(FutureTask.java:237)