Chart with shared tooltip enabled throws an error

[kendo-bot]

Bug report

When 'shared' tooltip is enabled (tooltip: {shared: true}) keyboard navigation through chart triggers JavaScript error and tooltip on focus is not shown, neither shared nor regular tooltip. It works without issues when 'shared' is disabled, but when it is enabled errors are triggered.

Reproduction of the problem

Open Dojo example https://dojo.telerik.com/@[email protected]/UqixUyuj
Open browser's console (F12)
Run the script
With mouse click on "India" legend item once -> India line is disabled
Click on "India" legend item once more -> India line is enabled
Using keyboard hit Shift+Tab -> Browser's console shows error: "Uncaught TypeError: Cannot read properties of undefined (reading 'format')"
Using keyboard hit Tab -> Dot on chart line becomes highlighted but no tooltip is shown
Stack trace of the issue:

Expected/desired behavior

No error shall be thrown

Ticket ID: 1665060

Environment

jQuery: 3.4.1
Kendo UI version: 2024.3.806
Browser: [all ]