diff --git a/app/src/androidTest/java/net/pokeranalytics/android/unitTests/filter/CustomFieldFilterInstrumentedUnitTest.kt b/app/src/androidTest/java/net/pokeranalytics/android/unitTests/filter/CustomFieldFilterInstrumentedUnitTest.kt
index f3880227..8f732f0e 100644
--- a/app/src/androidTest/java/net/pokeranalytics/android/unitTests/filter/CustomFieldFilterInstrumentedUnitTest.kt
+++ b/app/src/androidTest/java/net/pokeranalytics/android/unitTests/filter/CustomFieldFilterInstrumentedUnitTest.kt
@@ -22,12 +22,11 @@ class CustomFieldFilterInstrumentedUnitTest : BaseFilterInstrumentedUnitTest() {
         val realm = this.mockRealm
         realm.beginTransaction()
 
-        val cf1 = CustomField()
-        cf1.id = "1"
+        val cf1 = realm.createObject(CustomField::class.java, "1")
         cf1.type = CustomField.Type.LIST.ordinal
 
-        val cfe1 = CustomFieldEntry()
-        val cfe2 = CustomFieldEntry()
+        val cfe1 = realm.createObject(CustomFieldEntry::class.java, "9")
+        val cfe2 = realm.createObject(CustomFieldEntry::class.java, "8")
         cfe1.value = "super"
         cfe2.value = "nul"
 
@@ -51,35 +50,38 @@ class CustomFieldFilterInstrumentedUnitTest : BaseFilterInstrumentedUnitTest() {
     @Test
     fun testCustomFieldAmountFilter() {
 
-        val realm = this.mockRealm
-        realm.beginTransaction()
+        val cfId = "1234"
+        var s2Id = ""
 
-        val cf1 = CustomField()
-        cf1.id = "1234"
-        cf1.type = CustomField.Type.AMOUNT.ordinal
+        val realm = this.mockRealm
+        realm.executeTransaction {
 
+            val cf = realm.createObject(CustomField::class.java, cfId)
+            cf.type = CustomField.Type.AMOUNT.ordinal
 
-        val cfe1 = CustomFieldEntry()
-        cfe1.id = "999"
-        cf1.entries.add(cfe1)
-        cfe1.numericValue = 30.0
+            val cfe1 = realm.createObject(CustomFieldEntry::class.java, "999")
+            cf.entries.add(cfe1)
+            cfe1.numericValue = 30.0
 
-        val cfe2 = CustomFieldEntry()
-        cfe2.id = "888"
-        cf1.entries.add(cfe2)
-        cfe2.numericValue = 100.0
+            val cfe2 = realm.createObject(CustomFieldEntry::class.java, "888")
+            cf.entries.add(cfe2)
+            cfe2.numericValue = 100.0
 
-        val s1 = Session.testInstance(100.0, false, Date(), 1)
-        s1.customFieldEntries.add(cfe1)
-        val s2 = Session.testInstance(100.0, true, Date(), 1)
-        s2.customFieldEntries.add(cfe2)
-        realm.commitTransaction()
+            val s1 = Session.testInstance(100.0, false, Date(), 1)
+            s1.customFieldEntries.add(cfe1)
+            val s2 = Session.testInstance(100.0, true, Date(), 1)
+            s2.customFieldEntries.add(cfe2)
+            s2Id = s2.id
+        }
 
-        val sessions = Filter.queryOn<Session>(realm, Query(QueryCondition.CustomFieldNumberQuery(cf1.id, 100.0)))
+        val condition = QueryCondition.CustomFieldNumberQuery(cfId, 100.0)
+        val sessions = Filter.queryOn<Session>(realm, Query(condition))
 
         Assert.assertEquals(1, sessions.size)
-        sessions[0]?.run {
-            Assert.assertEquals(s2.id, (this).id)
+        sessions.first()?.run {
+            Assert.assertEquals(s2Id, this.id)
         }
+
     }
+
 }
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 8cf3f769..b9ef5ab9 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -58,10 +58,10 @@
 			android:screenOrientation="portrait"
 			android:windowSoftInputMode="adjustNothing" />
 
+		<!-- No screenOrientation="portrait" to fix Oreo crash -->
 		<activity
 			android:name="net.pokeranalytics.android.ui.activity.NewDataMenuActivity"
 			android:launchMode="singleTop"
-			android:screenOrientation="portrait"
 			android:theme="@style/PokerAnalyticsTheme.MenuDialog" />
 
 		<activity
@@ -149,10 +149,10 @@
 			android:launchMode="singleTop"
 			android:screenOrientation="portrait" />
 
-		<activity
-			android:name="net.pokeranalytics.android.ui.activity.TableReportActivity"
-			android:launchMode="singleTop"
-			android:screenOrientation="portrait" />
+			<activity
+				android:name="net.pokeranalytics.android.ui.activity.TableReportActivity"
+				android:launchMode="singleTop"
+				android:screenOrientation="portrait" />
 
 		<meta-data
 			android:name="preloaded_fonts"
diff --git a/app/src/main/java/net/pokeranalytics/android/model/filter/Query.kt b/app/src/main/java/net/pokeranalytics/android/model/filter/Query.kt
index ef2f0b2b..e5caffa0 100644
--- a/app/src/main/java/net/pokeranalytics/android/model/filter/Query.kt
+++ b/app/src/main/java/net/pokeranalytics/android/model/filter/Query.kt
@@ -2,7 +2,6 @@ package net.pokeranalytics.android.model.filter
 
 import android.content.Context
 import io.realm.RealmQuery
-import io.realm.kotlin.where
 import net.pokeranalytics.android.R
 import net.pokeranalytics.android.util.NULL_TEXT
 
@@ -77,7 +76,7 @@ class Query {
             }
 		}
 
-        //println("<<<<<< ${realmQuery}")
+        println("<<<<<< ${realmQuery.description}")
         val queryLast = this.conditions.filter {
             it is QueryCondition.Last
         }.firstOrNull()
diff --git a/app/src/main/java/net/pokeranalytics/android/model/filter/QueryCondition.kt b/app/src/main/java/net/pokeranalytics/android/model/filter/QueryCondition.kt
index 9a13f72a..06e34c97 100644
--- a/app/src/main/java/net/pokeranalytics/android/model/filter/QueryCondition.kt
+++ b/app/src/main/java/net/pokeranalytics/android/model/filter/QueryCondition.kt
@@ -645,7 +645,7 @@ sealed class QueryCondition : FilterElementRow {
 
 		constructor(customFieldEntry: CustomFieldEntry) : this() {
 			this.setObject(customFieldEntry)
-			this.customFieldId = customFieldEntry.customFields?.firstOrNull()?.id
+			this.customFieldId = customFieldEntry.customField?.id
 				?: throw PokerAnalyticsException.QueryValueMapUnexpectedValue
 		}
 
@@ -668,6 +668,7 @@ sealed class QueryCondition : FilterElementRow {
 		realmQuery: RealmQuery<T>,
 		otherQueryCondition: QueryCondition? = null
 	): RealmQuery<T> {
+
 		val fieldName = FilterHelper.fieldNameForQueryType<T>(this::class.java)
 		if (BuildConfig.DEBUG) {
 			fieldName ?: throw PokerAnalyticsException.QueryValueMapUnknown
diff --git a/app/src/main/java/net/pokeranalytics/android/model/realm/Filter.kt b/app/src/main/java/net/pokeranalytics/android/model/realm/Filter.kt
index a65edf11..010e2340 100644
--- a/app/src/main/java/net/pokeranalytics/android/model/realm/Filter.kt
+++ b/app/src/main/java/net/pokeranalytics/android/model/realm/Filter.kt
@@ -47,15 +47,16 @@ open class Filter : RealmObject(), RowRepresentable, Editable, Deletable, Counta
 			return realm.where<Filter>().equalTo("id", filterId).findFirst()
 		}
 
-		inline fun <reified T : Filterable> queryOn(realm: Realm, query: Query, sortField: String? = null): RealmResults<T> {
-			val realmQuery = realm.where<T>()
-			sortField?.let {
-				return query.queryWith(realmQuery).sort(it).findAll()
-			} ?: run {
-				return query.queryWith(realmQuery).findAll()
-			}
-		}
-	}
+	    inline fun <reified T : Filterable> queryOn(realm: Realm, query: Query, sortField: String? = null): RealmResults<T> {
+            val rootQuery = realm.where<T>()
+		    var realmQuery = query.queryWith(rootQuery)
+            sortField?.let {
+	            realmQuery = realmQuery.sort(it)
+            }
+		    val desc = realmQuery.description
+		    return realmQuery.findAll()
+	    }
+    }
 
 	override val viewType: Int
 		get() = RowViewType.TITLE_VALUE_ACTION.ordinal
diff --git a/app/src/main/java/net/pokeranalytics/android/ui/activity/NewDataMenuActivity.kt b/app/src/main/java/net/pokeranalytics/android/ui/activity/NewDataMenuActivity.kt
index 49b9b97b..8cc3dfcb 100644
--- a/app/src/main/java/net/pokeranalytics/android/ui/activity/NewDataMenuActivity.kt
+++ b/app/src/main/java/net/pokeranalytics/android/ui/activity/NewDataMenuActivity.kt
@@ -4,6 +4,8 @@ import android.animation.Animator
 import android.animation.AnimatorListenerAdapter
 import android.content.Context
 import android.content.Intent
+import android.content.pm.ActivityInfo
+import android.os.Build
 import android.os.Bundle
 import android.view.View
 import android.view.ViewAnimationUtils
@@ -36,6 +38,11 @@ class NewDataMenuActivity : PokerAnalyticsActivity() {
 
 	override fun onCreate(savedInstanceState: Bundle?) {
 		super.onCreate(savedInstanceState)
+
+		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) { // used to fix Oreo crash
+			setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
+		}
+
 		setContentView(R.layout.activity_new_data)
 		initUI()
 	}
diff --git a/app/src/main/java/net/pokeranalytics/android/ui/activity/components/PokerAnalyticsActivity.kt b/app/src/main/java/net/pokeranalytics/android/ui/activity/components/PokerAnalyticsActivity.kt
index 77b324f0..f72d90b2 100644
--- a/app/src/main/java/net/pokeranalytics/android/ui/activity/components/PokerAnalyticsActivity.kt
+++ b/app/src/main/java/net/pokeranalytics/android/ui/activity/components/PokerAnalyticsActivity.kt
@@ -1,6 +1,7 @@
 package net.pokeranalytics.android.ui.activity.components
 
 import android.Manifest.permission.ACCESS_FINE_LOCATION
+import android.content.pm.ActivityInfo
 import android.content.pm.PackageManager
 import android.os.Bundle
 import android.os.PersistableBundle
@@ -33,6 +34,7 @@ open class PokerAnalyticsActivity : AppCompatActivity() {
 	override fun onCreate(savedInstanceState: Bundle?, persistentState: PersistableBundle?) {
 		super.onCreate(savedInstanceState, persistentState)
 		Crashlytics.log("$this.localClassName onCreate")
+		requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT // fixes crash
 	}
 
 	override fun onResume() {