Crashes on typing "DD/0" e.g. "12/0"

[hailwood]

RangeError: Invalid time value
    at T (369-7ec6ea8d18dbba6a.js:66:145457)
    at ef (page-01d7ce1a5769b654.js:1:14417)
    at page-01d7ce1a5769b654.js:1:18732
    at Array.map (<anonymous>)
    at page-01d7ce1a5769b654.js:1:18235
    at rE (fd9d1056-1701e1b286329c25.js:1:40341)
    at lA (fd9d1056-1701e1b286329c25.js:1:57425)
    at iZ (fd9d1056-1701e1b286329c25.js:1:121328)
    at ia (fd9d1056-1701e1b286329c25.js:1:95162)
    at fd9d1056-1701e1b286329c25.js:1:94984