Event add popup issue on calendar

[123pappu]

Hello
I got below issue when try to open the add event popup

core.js:4197 ERROR TypeError: Cannot read properties of undefined (reading 'en')
at HTMLElement._setEditorCommonProperties (smart.scheduler.js:6)
at HTMLElement._setPopupWindowEditor (smart.scheduler.js:6)
at HTMLElement._createWindowEditor (smart.scheduler.js:6)
at HTMLElement._setWindowContent (smart.scheduler.js:6)
at HTMLElement._setPopupWindowTemplate (smart.scheduler.js:6)
at r (smart.scheduler.js:6)
at HTMLElement._openWindow (smart.scheduler.js:6)
at HTMLElement._handleContextMenuItemClick (smart.scheduler.js:6)
at HTMLElement._tooltipClickHandler (smart.scheduler.js:6)
at HTMLElement.d (smart.element.js:

[bmarkov]

We will need a complete example in order to reproduce the reported behavior. You can also share a stackblitz sample if that is more convenient for you.