appmaker - How to dynamically populate the accordian widget -


i have accordian widget has calculated table data source. in detail of each row display records aggregated in calculated table. eg. source table (timesheet) has date, hours , project. calculated table has date, total hours. in accordian displayed date, total hours in rows , records given date in tables details of accordian row. attempting pass date query parameter on data source defined on timesheet table. however; error saying connect 2017 com.google.apps.appmaker.client.runtime.runtimeappview severe: cannot read property 'children' of undefined @ timesheetintake.project.projectrow.onclick:1:37

thank in advance. maria.


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