02-12 16:05:16.889 2183-10158/? E/AndroidRuntime: FATAL EXCEPTION: SyncAdapterThread-12
                                                  Process: com.forshared, PID: 2183
                                                  java.lang.NullPointerException: Attempt to invoke interface method 'java.util.Iterator java.util.List.iterator()' on a null object reference
                                                      at com.forshared.syncadapter.SyncAdapter.sendShares(SyncAdapter.java:984)
                                                      at com.forshared.syncadapter.SyncAdapter.uploadChanges(SyncAdapter.java:586)
                                                      at com.forshared.syncadapter.SyncAdapter.onPerformSync(SyncAdapter.java:358)
                                                      at android.content.AbstractThreadedSyncAdapter$SyncThread.run(AbstractThreadedSyncAdapter.java:272)