Update HandleSpladeFileUploads.php

Author: pascalbaljet

src/FileUploads/HandleSpladeFileUploads.php

@@ -83,6 +83,10 @@ public static function forFormRequest(FormRequest $formRequest): FormRequest
                 return true;
             }
 
+            if (!class_exists(File::class)) {
+                return false;
+            }
+
             foreach ($rules as $rule) {
                 if ($rule instanceof File) {
                     return true;