- WIP on migration and some bug fixes linked to withJoin() select problems

src/Attribute/Attribute.php

@@ -10,6 +10,12 @@ class Attribute
     public static function handleArrayField(null|\Stringable|string|array $field, null|string|bool $alias = Repository::DEFAULT_ALIAS, string $separator = ', ') : mixed
     {
         if ( is_array($field) ) {
+            if (count($field) < 2) {
+                throw new \RuntimeException(
+                    sprintf("Array field must be formed of at least two things, a class name, and a property. (received %s)", json_encode($field))
+                );
+            }
+
             $class = array_shift($field);
             $field[1] ??= $alias;