diff --git a/resources/js/components/Fieldtypes/DateTime/Field.vue b/resources/js/components/Fieldtypes/DateTime/Field.vue
index d17a509d..28488c01 100644
--- a/resources/js/components/Fieldtypes/DateTime/Field.vue
+++ b/resources/js/components/Fieldtypes/DateTime/Field.vue
@@ -61,7 +61,7 @@
         },
 
         mounted() {
-            this.inst = flatpickr(`#flatpickr_${this.field.handle}`, {
+            this.inst = flatpickr(this.$el.querySelector(`#flatpickr_${this.field.handle}`), {
                 altFormat: this.field.settings.format,
                 altInput: true,
                 dateFormat: 'Y-m-d H:i:S',
diff --git a/src/Fieldtypes/AssetFieldtype.php b/src/Fieldtypes/AssetFieldtype.php
index 087df455..c2caaf4f 100644
--- a/src/Fieldtypes/AssetFieldtype.php
+++ b/src/Fieldtypes/AssetFieldtype.php
@@ -100,10 +100,10 @@ public function generateRelationship($field)
      *
      * @return void
      */
-    public function persistRelationship($model, Field $field)
+    public function persistRelationship($model, Field $field, $value = null)
     {
         $oldValues = $model->{$field->handle}->pluck('id');
-        $newValues = collect(request()->input($field->handle))->mapWithKeys(function ($item, $key) use ($field) {
+        $newValues = collect($value ?? request()->input($field->handle))->mapWithKeys(function ($item, $key) use ($field) {
             return [
                 $item['id'] => [
                     'field_id' => $field->id,
diff --git a/src/Fieldtypes/FieldsetFieldtype.php b/src/Fieldtypes/FieldsetFieldtype.php
index a66a7757..51587451 100755
--- a/src/Fieldtypes/FieldsetFieldtype.php
+++ b/src/Fieldtypes/FieldsetFieldtype.php
@@ -148,14 +148,14 @@ public function generateRelationship($field)
      *
      * @return void
      */
-    public function persistRelationship($model, Field $field)
+    public function persistRelationship($model, Field $field, $value = null)
     {
         $fieldset = Fieldset::findOrFail($field->settings['fieldset']);
 
         $model->{$field->handle}()->updateOrCreate([
             'field_id'    => $field->id,
             'fieldset_id' => $fieldset->id,
-        ], request()->input($field->handle, []));
+        ], $value ?? request()->input($field->handle, []));
     }
 
     /**
diff --git a/src/Fieldtypes/Fieldtype.php b/src/Fieldtypes/Fieldtype.php
index 1ace92f1..c758df6a 100755
--- a/src/Fieldtypes/Fieldtype.php
+++ b/src/Fieldtypes/Fieldtype.php
@@ -27,7 +27,7 @@ abstract class Fieldtype
      *
      * @var string
      */
-    public $cast = '';
+    public $cast = null;
 
     /**
      * @var null
diff --git a/src/Fieldtypes/FormFieldtype.php b/src/Fieldtypes/FormFieldtype.php
index 7a58ee06..cf376062 100644
--- a/src/Fieldtypes/FormFieldtype.php
+++ b/src/Fieldtypes/FormFieldtype.php
@@ -69,10 +69,10 @@ public function generateRelationship($field)
      *
      * @return void
      */
-    public function persistRelationship($model, Field $field)
+    public function persistRelationship($model, Field $field, $value = null)
     {
         $oldValues = $model->{$field->handle}->pluck('id');
-        $newValues = collect(request()->input($field->handle))
+        $newValues = collect($value ?? request()->input($field->handle))
             ->mapWithKeys(function ($id, $key) use ($field) {
                 return [
                     $id => [
diff --git a/src/Fieldtypes/ReplicatorFieldtype.php b/src/Fieldtypes/ReplicatorFieldtype.php
index 16eee4e3..0f85dece 100755
--- a/src/Fieldtypes/ReplicatorFieldtype.php
+++ b/src/Fieldtypes/ReplicatorFieldtype.php
@@ -151,10 +151,10 @@ public function generateRelationship(Field $field)
      *
      * @return void
      */
-    public function persistRelationship($model, Field $field)
+    public function persistRelationship($model, Field $field, $value = null)
     {
         $replicator = Replicator::find($field->settings['replicator']);
-        $replicants = $this->persistReplicants($replicator, $field);
+        $replicants = $this->persistReplicants($replicator, $field, $value);
         $sections   = $replicator->sections;
 
         $sections->each(function ($section) use ($model, $replicator, $replicants) {
@@ -259,9 +259,9 @@ public function getResource($model, Field $field)
      *
      * @return \Illuminate\Support\Collection
      */
-    private function persistReplicants(Replicator $replicator, Field $field)
+    private function persistReplicants(Replicator $replicator, Field $field, $value = null)
     {
-        return collect(request()->input($field->handle, []))
+        return collect($value ?? request()->input($field->handle, []))
             ->map(function ($input) use ($replicator) {
                 $section = Section::findOrFail($input['section']['id']);
                 $builder = $replicator->getBuilder($section);
diff --git a/src/Fieldtypes/TaxonomyFieldtype.php b/src/Fieldtypes/TaxonomyFieldtype.php
index fd473693..9cd74e17 100644
--- a/src/Fieldtypes/TaxonomyFieldtype.php
+++ b/src/Fieldtypes/TaxonomyFieldtype.php
@@ -88,10 +88,10 @@ public function generateRelationship($field)
      *
      * @return void
      */
-    public function persistRelationship($model, Field $field)
+    public function persistRelationship($model, Field $field, $value = null)
     {
         $oldValues = $model->{$field->handle}->pluck('id');
-        $newValues = collect(request()->input($field->handle))
+        $newValues = collect($value ?? request()->input($field->handle))
             ->mapWithKeys(function ($id) use ($field) {
                 return [
                     $id => [
diff --git a/src/Fieldtypes/UserFieldtype.php b/src/Fieldtypes/UserFieldtype.php
index f684c051..9cc26c41 100644
--- a/src/Fieldtypes/UserFieldtype.php
+++ b/src/Fieldtypes/UserFieldtype.php
@@ -3,7 +3,7 @@
 namespace Fusion\Fieldtypes;
 
 use File;
-use Fusion\Http\Resources\USerResource;
+use Fusion\Http\Resources\UserResource;
 use Fusion\Models\Field;
 use Illuminate\Support\Str;
 
@@ -76,10 +76,10 @@ public function generateRelationship($field)
      *
      * @return void
      */
-    public function persistRelationship($model, Field $field)
+    public function persistRelationship($model, Field $field, $value = null)
     {
         $oldValues = $model->{$field->handle}->pluck('id');
-        $newValues = collect(request()->input($field->handle))->mapWithKeys(function ($item, $key) use ($field) {
+        $newValues = collect($value ?? request()->input($field->handle))->mapWithKeys(function ($item, $key) use ($field) {
             return [
                 $item['id'] => [
                     'field_id' => $field->id,
diff --git a/src/Services/Builders/Builder.php b/src/Services/Builders/Builder.php
index fee31afd..ead42a4f 100755
--- a/src/Services/Builders/Builder.php
+++ b/src/Services/Builders/Builder.php
@@ -48,7 +48,9 @@ public function refresh()
 
         foreach ($this->columns as $column) {
             $fillable[]             = $column->handle;
-            $casts[$column->handle] = $column->type()->cast;
+            if (isset($column->type()->cast)) {
+                $casts[$column->handle] = $column->type()->cast;
+            }
         }
 
         $fillable = array_merge($this->getFillable(), $fillable);