Expand all groups not working in list reports

1. In list reports of New UI report designer , when the report is grouped by on any field , the expand all groups button doesn't work.
2. Clicking the button does nothing and the customer cannot find the grouped results.
3. The below error can be observed in the console of the browser.

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GlideList2.get(element.getAttribute('data-list_id')).toggleGroups();
evt.stop();
});

Uncaught TypeError: Cannot read property 'toggleGroups' of undefined
at HTMLBodyElement.<anonymous> (js_includes_listv2_doctype.jsx?v=09-05-2019_1536&lp=Wed_Jul_17_10_36_15_PDT_2019&c=25_443:2480)
at e.handleEvent (js_includes_doctype.jsx?v=09-05-2019_1536&lp=Wed_Jul_17_10_36_15_PDT_2019&c=25_443:14)
at HTMLBodyElement.<anonymous> (js_includes_doctype.jsx?v=09-05-2019_1536&lp=Wed_Jul_17_10_36_15_PDT_2019&c=25_443:14)
39VM1713 sys_report_template.do:1 Uncaught TypeError: Cannot read property 'toggleGroup' of undefined
at HTMLButtonElement.onclick (VM1713 sys_report_template.do:1)
2VM1725 sys_report_template.do:1 Uncaught TypeError: Cannot read property 'toggleGroup' of undefined
at HTMLButtonElement.onclick (VM1713 sys_report_template.do:1)
onclick @ VM1725 sys_report_template.do:1
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Any release.

1. The UI script 'ConditionalFocus' needs to be checked as it could be inactive.
2. Navigate to sys_ui_script.LIST and search for 'ConditionalFocus'.

• The script should be activated which will fix this behavior.