no guard

app/Models/Deployment.php

@@ -8,6 +8,8 @@ use Illuminate\Database\Eloquent\Relations\MorphTo;
 
 class Deployment extends Model
 {
+    protected $guarded = [];
+
     protected function casts(): array
     {
         return [

app/Models/Slice.php

@@ -7,6 +7,8 @@ use Illuminate\Database\Eloquent\Relations\BelongsTo;
 
 class Slice extends Model
 {
+    protected $guarded = [];
+
     public function service(): BelongsTo
     {
         return $this->belongsTo(Service::class);

app/Models/Step.php

@@ -8,6 +8,8 @@ use Illuminate\Database\Eloquent\Relations\BelongsTo;
 
 class Step extends Model
 {
+    protected $guarded = [];
+
     protected function casts(): array
     {
         return [