First Local Commit - After Clean up.

Signed-off-by: Rick Hays <rhays@haysgang.com>

system/Exceptions/ModelException.php

@@ -0,0 +1,18 @@
+<?php namespace CodeIgniter\Exceptions;
+
+/**
+ * Model Exceptions.
+ */
+
+class ModelException extends FrameworkException
+{
+	public static function forNoPrimaryKey(string $modelName)
+	{
+		return new static(lang('Database.noPrimaryKey', [$modelName]));
+	}
+
+	public static function forNoDateFormat(string $modelName)
+	{
+		return new static(lang('Database.noDateFormat', [$modelName]));
+	}
+}