Deleting all characters of a tag results in a client-side error

[toggm]

Error from the console:

framework-eaf6d0704c5da20c.js:1 TypeError: Cannot read properties of null (reading 'id')
    at 290-d6f623792262ffa8.js:1:29293
    at Array.filter (<anonymous>)
    at u (290-d6f623792262ffa8.js:1:29279)
    at af (framework-eaf6d0704c5da20c.js:1:59511)
    at i (framework-eaf6d0704c5da20c.js:1:120482)
    at oM (framework-eaf6d0704c5da20c.js:1:100135)
    at framework-eaf6d0704c5da20c.js:1:100002
    at oR (framework-eaf6d0704c5da20c.js:1:100009)
    at oS (framework-eaf6d0704c5da20c.js:1:96761)
    at o_ (framework-eaf6d0704c5da20c.js:1:97150)