diff --git a/app/build.gradle b/app/build.gradle
index 10b9a8458..16fb8a3ac 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -9,7 +9,7 @@ android {
         applicationId "naman14.timber"
         minSdkVersion 16
         targetSdkVersion 24
-        versionCode 15
+        versionCode 16
         versionName "0.3b"
         //renderscript support mode is not supported for 21+ with gradle version 2.0
         renderscriptTargetApi 20
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 0e114bdd5..b90ab83a0 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -109,7 +109,7 @@
         <!--use your own api key for fabric-->
         <meta-data
             android:name="io.fabric.ApiKey"
-            android:value="@string/fabric_api_key" />
+            android:value="c8077ebaaaa3a70c39a1ac070dfcfdf2fb48b128" />
 
         <receiver android:name=".widgets.desktop.StandardWidget" android:label="@string/widget_standard">
             <intent-filter>
diff --git a/app/src/main/java/com/naman14/timber/MusicService.java b/app/src/main/java/com/naman14/timber/MusicService.java
index 20a166543..48426eac3 100644
--- a/app/src/main/java/com/naman14/timber/MusicService.java
+++ b/app/src/main/java/com/naman14/timber/MusicService.java
@@ -64,6 +64,7 @@
 import com.naman14.timber.helpers.MediaButtonIntentReceiver;
 import com.naman14.timber.helpers.MusicPlaybackTrack;
 import com.naman14.timber.lastfmapi.LastFmClient;
+import com.naman14.timber.lastfmapi.models.LastfmUserSession;
 import com.naman14.timber.lastfmapi.models.ScrobbleQuery;
 import com.naman14.timber.permissions.Nammu;
 import com.naman14.timber.provider.MusicPlaybackState;
@@ -453,8 +454,10 @@ public int onStartCommand(final Intent intent, final int flags, final int startI
     }
 
     void scrobble() {
-        Log.d("Scrobble","to LastFM");
-        LastFmClient.getInstance(this).Scrobble(new ScrobbleQuery(getArtistName(),getTrackName(),(System.currentTimeMillis()-duration())/1000));
+        if (LastfmUserSession.getSession(this) != null) {
+            Log.d("Scrobble", "to LastFM");
+            LastFmClient.getInstance(this).Scrobble(new ScrobbleQuery(getArtistName(), getTrackName(), (System.currentTimeMillis() - duration()) / 1000));
+        }
     }
 
     private void releaseServiceUiAndStop() {
diff --git a/app/src/main/java/com/naman14/timber/lastfmapi/LastFmClient.java b/app/src/main/java/com/naman14/timber/lastfmapi/LastFmClient.java
index 1c1dd5ae9..f5b38e9db 100644
--- a/app/src/main/java/com/naman14/timber/lastfmapi/LastFmClient.java
+++ b/app/src/main/java/com/naman14/timber/lastfmapi/LastFmClient.java
@@ -15,6 +15,7 @@
 package com.naman14.timber.lastfmapi;
 
 import android.content.Context;
+import android.content.SharedPreferences;
 import android.util.Log;
 
 import com.naman14.timber.lastfmapi.callbacks.ArtistInfoListener;
@@ -65,7 +66,7 @@ public static LastFmClient getInstance(Context context) {
                 sInstance.mRestService = RestServiceFactory.createStatic(context, BASE_API_URL, LastFmRestService.class);
                 sInstance.mUserRestService = RestServiceFactory.create(context, BASE_SECURE_API_URL, LastFmUserRestService.class);
                 sInstance.mUserSession = LastfmUserSession.getSession(context);
-              
+
             }
             return sInstance;
         }
@@ -137,26 +138,34 @@ public void failure(RetrofitError error) {
     }
 
     public void Scrobble(ScrobbleQuery scrobbleQuery) {
-        mUserRestService.getScrobbleInfo(ScrobbleQuery.Method,  API_KEY, generateMD5(scrobbleQuery.getSignature(mUserSession.mToken)), mUserSession.mToken, scrobbleQuery.mArtist, scrobbleQuery.mTrack, scrobbleQuery.mTimestamp, new Callback<ScrobbleInfo>() {
-            @Override
-            public void success(ScrobbleInfo scrobbleInfo, Response response) {
+        try {
+            mUserRestService.getScrobbleInfo(ScrobbleQuery.Method, API_KEY, generateMD5(scrobbleQuery.getSignature(mUserSession.mToken)), mUserSession.mToken, scrobbleQuery.mArtist, scrobbleQuery.mTrack, scrobbleQuery.mTimestamp, new Callback<ScrobbleInfo>() {
+                @Override
+                public void success(ScrobbleInfo scrobbleInfo, Response response) {
 
-            }
+                }
 
-            @Override
-            public void failure(RetrofitError error) {
+                @Override
+                public void failure(RetrofitError error) {
 
-            }
-        });
+                }
+            });
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
     }
 
-    public void logout(){
+    public void logout() {
         this.mUserSession.mToken = null;
         this.mUserSession.mUsername = null;
-        this.mUserSession.update(context);
+        SharedPreferences preferences = context.getSharedPreferences("Lastfm", Context.MODE_PRIVATE);
+        SharedPreferences.Editor editor = preferences.edit();
+        editor.clear();
+        editor.apply();
     }
-    public String getUsername(){
-        if(mUserSession!=null)return mUserSession.mUsername;
+
+    public String getUsername() {
+        if (mUserSession != null) return mUserSession.mUsername;
         return null;
     }
 }
diff --git a/app/src/main/java/com/naman14/timber/lastfmapi/models/LastfmUserSession.java b/app/src/main/java/com/naman14/timber/lastfmapi/models/LastfmUserSession.java
index f99841581..969405af9 100644
--- a/app/src/main/java/com/naman14/timber/lastfmapi/models/LastfmUserSession.java
+++ b/app/src/main/java/com/naman14/timber/lastfmapi/models/LastfmUserSession.java
@@ -32,7 +32,7 @@ public void update(Context context) {
             editor.putString(TOKEN, this.mToken);
             editor.putString(USERNAME, this.mUsername);
         }
-        editor.commit();
+        editor.apply();
     }
 
     @SerializedName(USERNAME)