Fixing crash due to missing failed save message for transaction types

app/src/main/java/net/pokeranalytics/android/model/realm/TransactionType.kt

@@ -10,6 +10,7 @@ import net.pokeranalytics.android.exceptions.PAIllegalStateException
 import net.pokeranalytics.android.model.interfaces.DeleteValidityStatus
 import net.pokeranalytics.android.model.interfaces.Identifiable
 import net.pokeranalytics.android.model.interfaces.NameManageable
+import net.pokeranalytics.android.model.interfaces.SaveValidityStatus
 import net.pokeranalytics.android.ui.adapter.StaticRowRepresentableDataSource
 import net.pokeranalytics.android.ui.view.Localizable
 import net.pokeranalytics.android.ui.view.RowRepresentable
@@ -120,5 +121,13 @@ open class TransactionType : RealmObject(), NameManageable, StaticRowRepresentab
 		return R.string.transaction_relationship_error
 	}
 
+	override fun getFailedSaveMessage(status: SaveValidityStatus): Int {
+		return when (status) {
+			SaveValidityStatus.DATA_INVALID -> R.string.operation_type_empty_field_error
+			SaveValidityStatus.ALREADY_EXISTS -> R.string.duplicate_operation_type_error
+			else -> super.getFailedSaveMessage(status)
+		}
+	}
+
 }