From f8ee1ad599a24ed67554f03213acd90256a52a15 Mon Sep 17 00:00:00 2001
From: ymlam <ymlam@link2tek.net>
Date: Mon, 2 Jan 2023 15:32:08 -0500
Subject: [PATCH] Complete backward compatibility which has a bug in commit
 6bd4ca1af3f5

---
 src/main/java/altk/comm/engine/Broadcast.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/main/java/altk/comm/engine/Broadcast.java b/src/main/java/altk/comm/engine/Broadcast.java
index 76481db..02d4c40 100644
--- a/src/main/java/altk/comm/engine/Broadcast.java
+++ b/src/main/java/altk/comm/engine/Broadcast.java
@@ -1502,6 +1502,7 @@ public abstract class Broadcast
 	 * @return false if no change
 	 */
 	private boolean setOperatingHours(String timeParam, String value) {
+		if (value == null || value.trim().length() == 0) return false;
 		String timeOfDay = CommEngine.checkTimeOfDay(value);
 		if (timeOfDay == null) throw new RuntimeException(String.format("Invalid value for %s: %s", timeParam, value));
 		switch (timeParam) {