initial commit; version 22.5.12042

libs/PhpUnitsOfMeasure/Exception/PhysicalQuantityMismatch.php

@@ -0,0 +1,7 @@
+<?php
+namespace PhpUnitsOfMeasure\Exception;
+
+class PhysicalQuantityMismatch extends AbstractPhysicalQuantityException
+{
+    protected $error = '(:lhs) and (:rhs) cannot be added or subtracted because they are not the same physical quantity.';
+}