From ce87cc6ec29c61530ea4ed0cf58c73a69d6df20e Mon Sep 17 00:00:00 2001
From: fbsanchez <fborja.sanchez@artica.es>
Date: Thu, 24 Feb 2022 19:09:09 +0100
Subject: [PATCH] extra checks before translate

---
 pandora_server/lib/PandoraFMS/Core.pm | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pandora_server/lib/PandoraFMS/Core.pm b/pandora_server/lib/PandoraFMS/Core.pm
index f1d087908b..b2acb667fc 100644
--- a/pandora_server/lib/PandoraFMS/Core.pm
+++ b/pandora_server/lib/PandoraFMS/Core.pm
@@ -551,7 +551,11 @@ sub pandora_evaluate_alert ($$$$$$$;$$$$) {
 		return $status if ($alert->{$DayNames[$wday]} != 1);
 	}
 
-	my $schedule = PandoraFMS::Tools::p_decode_json($pa_config, $alert->{'schedule'});
+	my $schedule;
+	if (defined($alert->{'schedule'} && $alert->{'schedule'} != '')) {
+		$schedule = PandoraFMS::Tools::p_decode_json($pa_config, $alert->{'schedule'});
+	}
+
 	if (defined($schedule)) {
 		# New behaviour.
 		return $status unless defined($schedule) && ref $schedule eq "HASH";