This can be reproduced via a URL like /index.php?&module=Widgetize&action=iframe&moduleToWidgetize=Dashboard&actionToWidgetize=index&idSite=2&period=week&date=yesterday&updated=2
Currently, on Cloud would see a screen like below while on On-Premise they would see a similar "safemode" screenshot
As in above case it is a user input error, and not a twig error, we should still show the regular exception error like below:
This way, the Cloud team also won't be emailed every time there is a wrong user input and the user will know what needs changing.