From e7328eeea6df25b59a059b03e28a2943559bb054 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Bar=C3=A1=C5=A1ek?= <janbarasek@gmail.com>
Date: Wed, 6 Jan 2021 21:06:53 +0100
Subject: [PATCH] Validator::formatMessage() added validator name to error
 message  (#263)

---
 src/Forms/Validator.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Forms/Validator.php b/src/Forms/Validator.php
index a0f149fd0..8718d3c96 100644
--- a/src/Forms/Validator.php
+++ b/src/Forms/Validator.php
@@ -61,7 +61,11 @@ public static function formatMessage(Rule $rule, bool $withValue = true)
 			$message = static::$messages[$rule->validator];
 
 		} elseif ($message == null) { // intentionally ==
-			trigger_error("Missing validation message for control '{$rule->control->getName()}'.", E_USER_WARNING);
+			trigger_error(
+				"Missing validation message for control '{$rule->control->getName()}'"
+				. (is_string($rule->validator) ? " (validator '{$rule->validator}')." : '.'),
+				E_USER_WARNING
+			);
 		}
 
 		if ($translator = $rule->control->getForm()->getTranslator()) {