I've integrate https://ionicframework.com/docs/native/paypal in my ionic applicarion, but I have this error during login to paypal sandbox. Why? 2021-06-22 15:1[Removed. Phone #s not permitted]17386/io.ionic.starter E/paypal.sdk: request failure with http statusCode:404,exception: 2021-06-22 15:1[Removed. Phone #s not permitted]17386/io.ionic.starter E/paypal.sdk: Exception parsing server response org.json.JSONException: End of input at character 0 of at org.json.JSONTokener.syntaxError(JSONTokener.java:460) at org.json.JSONTokener.nextValue(JSONTokener.java:101) at com.paypal.android.sdk.cs.m(Unknown Source:7) at com.paypal.android.sdk.fi.d(Unknown Source:0) at com.paypal.android.sdk.ce.a(Unknown Source:21) at com.paypal.android.sdk.ci.a(Unknown Source:62) at com.paypal.android.sdk.cm.onResponse(Unknown Source:45) at okhttp3.RealCall$AsyncCall.execute(RealCall.java:135) at okhttp3.internal.NamedRunnable.run(NamedRunnable.java:32) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641) at java.lang.Thread.run(Thread.java:919) 2021-06-22 15:1[Removed. Phone #s not permitted]17386/io.ionic.starter E/paypal.sdk: request failed with server response: 2021-06-22 15:1[Removed. Phone #s not permitted]16668/io.ionic.starter E/paypal.sdk: INTERNAL_SERVER_ERROR
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