From c5c9fda93cc7dd49fea056df212683c1d85b0b1a Mon Sep 17 00:00:00 2001
From: Michael <heluecht@pirati.ca>
Date: Wed, 30 Dec 2020 07:13:47 +0000
Subject: [PATCH] Improved logging, avoid fatal error

---
 mod/events.php      | 3 ++-
 src/Model/Event.php | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/mod/events.php b/mod/events.php
index d4a902c72..bf813f683 100644
--- a/mod/events.php
+++ b/mod/events.php
@@ -30,6 +30,7 @@ use Friendica\Core\Theme;
 use Friendica\Core\Worker;
 use Friendica\Database\DBA;
 use Friendica\DI;
+use Friendica\Model\Contact;
 use Friendica\Model\Event;
 use Friendica\Model\Item;
 use Friendica\Model\User;
@@ -129,7 +130,7 @@ function events_post(App $a)
 	];
 
 	$action = ($event_id == '') ? 'new' : 'event/' . $event_id;
-	$onerror_path = 'events/' . $action . '?' . http_build_query($params, null, null, PHP_QUERY_RFC3986);
+	$onerror_path = 'events/' . $action . '?' . http_build_query($params, '', '&', PHP_QUERY_RFC3986);
 
 	if (strcmp($finish, $start) < 0 && !$nofinish) {
 		notice(DI::l10n()->t('Event can not end before it has started.'));
diff --git a/src/Model/Event.php b/src/Model/Event.php
index 2b4932b4f..995941edd 100644
--- a/src/Model/Event.php
+++ b/src/Model/Event.php
@@ -292,7 +292,7 @@ class Event
 
 		$contact = DBA::selectFirst('contact', [], $conditions);
 		if (!DBA::isResult($contact)) {
-			Logger::warning('Contact not found', ['condition' => $conditions]);
+			Logger::warning('Contact not found', ['condition' => $conditions, 'cakkstack' => System::callstack(20)]);
 		}
 
 		// Existing event being modified.