2843218 - "Dialog fragment cannot be instantiated" occurred in SUM UI

Dialog fragment cannot be instantiated.|Cannot add direct child without default aggregation defined for control SUMControls.RadioButton|<core:FragmentDefinition xmlns="sap.m" xmlns:l="sap.ui.layout" xmlns:core="sap.ui.core" xmlns:sum="SUMControls" xmlns:app="http://schemas.sap.com/sapui5/extension/sap.ui.core.CustomData/1"><VBox id="AskStackConfig" app:sumid="AskStackConfig" app:diagtime="20190926110044"><sum:Docu db="HDB" loio="995f0691f4ea40d087d5cde2cc719258"/><sum:DiagTitle text="Welcome to Software Update Manager"/><VBox id="MainGroup" app:sumid="MainGroup"><VBox id="WelcomeGroup" app:sumid="WelcomeGroup"><FormattedText htmlText="
&lt;p&gt;
Important information for this program is included in &lt;strong&gt;&lt;a href=&quot;https://launchpad.support.sap.com/#/notes/2742706&quot; target=&quot;SAPNOTE2742706&quot;&gt;SAP Note 2742706&lt;/a&gt;&lt;/strong&gt;
and further SAP Notes mentioned therein. Read the current version before you start preparing the procedure
and check the SAP Note again for changes before you start the procedure.
&lt;/p&gt;
"/></VBox><VBox id="CategoryGroup" app:sumid="CategoryGroup"><Title text="Specify the Scenario Category"/><RadioButtonGroup id="StackChoice" app:sumid="StackChoice" selectedIndex="0"><buttons><sum:RadioButton value="stackfile" text="Scenario using Stack Configuration File" enables="StackChoiceGroup" selected="true" defaulted="true"><sum:Hint><FormattedText htmlText="
&lt;p&gt;&lt;strong&gt;Scenarios like (some potentially with DMO):&lt;/strong&gt;&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;Update&lt;/li&gt;
&lt;li&gt;Upgrade&lt;/li&gt;
&lt;li&gt;System Conversion&lt;/li&gt;
&lt;li&gt;CISI&lt;/li&gt;
&lt;li&gt;Prerequisite Check&lt;/li&gt;
&lt;/ul&gt;
"/></sum:Hint></sum:RadioButton><sum:RadioButton value="nostackfile" text="No Stack Configuration File required for scenario"><sum:Hint><FormattedText htmlText="
&lt;p&gt;&lt;strong&gt;Scenarios like:&lt;/strong&gt;&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;Customer Transport Integration (CTI) only&lt;/li&gt;
&lt;li&gt;Database Migration Option (DMO) without System Update&lt;/li&gt;
&lt;li&gt;DMO with CTI only&lt;/li&gt;
&lt;li&gt;Benchmarking Tool&lt;/li&gt;
&lt;li&gt;Table Comparison Tool&lt;/li&gt;
&lt;/ul&gt;
"/></sum:Hint></sum:RadioButton></buttons></RadioButtonGroup><VBox id="StackChoiceGroup" app:sumid="StackChoiceGroup"><FormattedText htmlText="
&lt;p&gt;Enter a valid XML file:&lt;/p&gt;
"/><sum:InputBox><Label labelFor="StackFileInput" text="STACKFILE" required="true"/><sum:FileInput required="true" id="StackFileInput" app:sumid="StackFileInput" placeholder="STACKFILE" bwslash="false" endswith=".xml"/></sum:InputBox></VBox></VBox></VBox></VBox></core:FragmentDefinition>