Add an onError condition to handle cases where the global property do…

…es not exist so throws an error due to the null value (#570)

* Upgrade coreapps to 1.31.0 which has a fix for the issues displaying of the viral load widget using the obs across encounters widget

* Add an onError condition to handle cases where the global property does not exist so throws an error due to the null value

* Remove the default number of patients per day to blank

api/src/main/resources/liquibase.xml

@@ -9,7 +9,7 @@
         for a list of supported elements and attributes
     -->
 	<changeSet id="ugandaemr-27112020-1441" author="ssmusoke">
-		<preConditions onFail="MARK_RAN">
+		<preConditions onFail="MARK_RAN" onError="MARK_RAN">
 			<sqlCheck expectedResult="100">
 				SELECT property_value
 				FROM global_property
@@ -19,6 +19,7 @@
 		<comment>Reset maximum patients per day value to blank which is unlimited</comment>
 		<sql>UPDATE global_property SET property_value = '' WHERE property = 'ugandaemr.maximumPatientsPerDay'</sql>
 	</changeSet>
+
 	<changeSet id="ugandaemr-05092018-1043" author="ssmusoke">
 		<comment>Fix bad data for the ART care section which is causing an error when saving the summary page</comment>
 		<sql>

omod/src/main/resources/config.xml

@@ -180,7 +180,7 @@
     <globalProperty>
 		<property>ugandaemr.maximumPatientsPerDay</property>
         <description>The maxiumum number of patients that can have appointments on a single day</description>
-		<defaultValue>100</defaultValue>
+		<defaultValue></defaultValue>
 	</globalProperty>
 
     <globalProperty>