Fix psalm

src/DataCollection.php

@@ -97,9 +97,14 @@ public function toJson($options = 0): string
 
     public function toCollection(): Enumerable
     {
-        return $this->isPaginated()
-            ? new Collection($this->items)
-            : $this->items;
+        if ($this->isPaginated()) {
+            throw InvalidDataCollectionModification::cannotCastToCollection();
+        }
+
+        /** @var \Illuminate\Support\Enumerable $items */
+        $items = $this->items;
+
+        return $items;
     }
 
     public function getIterator(): ArrayIterator

src/Exceptions/InvalidDataCollectionModification.php

@@ -8,11 +8,16 @@ class InvalidDataCollectionModification extends Exception
 {
     public static function cannotSetItem(): self
     {
-        return new self('Cannot set an item in a paginated collection');
+        return new self('Cannot set an item in a paginated or Lazy data collection');
     }
 
     public static function cannotUnSetItem(): self
     {
-        return new self('Cannot unset an item in a paginated collection');
+        return new self('Cannot unset an item in a paginated or Lazy data collection');
+    }
+
+    public static function cannotCastToCollection()
+    {
+        return new self('Cannot cast a paginated collection into a collection');
     }
 }