TypeError: 'lookup' のプロパティを undefined から読み取ることができません

サポート
1

エラーログでは1時間あたり50件以上のエラーが報告されていますが、フロントエンドでは（現時点では）エラーは確認されていません。

主に以下のような警告です。

TypeError: Cannot read property 'lookup' of undefined
    at n (https://domain.com/assets/application-4411e2550c07883f35936e49782de79d71ca918a5b09c8c2f53d8f00aaf0e566.js:1:371830)
    at t.invoke (https://domain.com/assets/ember_jquery-189e46ebcb33594b835e782fd1ce916ec750bc0cf980ebc4fb7796649161a18d.js:1:487826)
    at e.t.flush (https://domain.com/assets/ember_jquery-189e46ebcb33594b835e782fd1ce916ec750bc0cf980ebc4fb7796649161a18d.js:1:486840)
    at e.t.flush (https://domain.com/assets/ember_jquery-189e46ebcb33594b835e782fd1ce916ec750bc0cf980ebc4fb7796649161a18d.js:1:488839)
    at e.t._end (https://domain.com/assets/ember_jquery-189e46ebcb33594b835e782fd1ce916ec750bc0cf980ebc4fb7796649161a18d.js:1:494214)
    at e.t.end (https://domain.com/assets/ember_jquery-189e46ebcb33594b835e782fd1ce916ec750bc0cf980ebc4fb7796649161a18d.js:1:490785)
    at e.t._run (https://domain.com/assets/ember_jquery-189e46ebcb33594b835e782fd1ce916ec750bc0cf980ebc4fb7796649161a18d.js:1:494732)
    at e.t._join (https://domain.com/assets/ember_jquery-189e46ebcb33594b835e782fd1ce916ec750bc0cf980ebc4fb7796649161a18d.js:1:494517)
    at e.t.join (https://domain.com/assets/ember_jquery-189e46ebcb33594b835e782fd1ce916ec750bc0cf980ebc4fb7796649161a18d.js:1:491493)
    at c (https://domain.com/assets/ember_jquery-189e46ebcb33594b835e782fd1ce916ec750bc0cf980ebc4fb7796649161a18d.js:1:358691)

他にも頻繁に発生する警告があります。

n@https://domain.com/assets/application-4411e2550c07883f35936e49782de79d71ca918a5b09c8c2f53d8f00aaf0e566.js:1:371825
d<t.invoke@https://domain.com/assets/ember_jquery-189e46ebcb33594b835e782fd1ce916ec750bc0cf980ebc4fb7796649161a18d.js:1:487826
d<t.flush@https://domain.com/assets/ember_jquery-189e46ebcb33594b835e782fd1ce916ec750bc0cf980ebc4fb7796649161a18d.js:1:486840
m<t.flush@https://domain.com/assets/ember_jquery-189e46ebcb33594b835e782fd1ce916ec750bc0cf980ebc4fb7796649161a18d.js:1:488839
t<t._end@https://domain.com/assets/ember_jquery-189e46ebcb33594b835e782fd1ce916ec750bc0cf980ebc4fb7796649161a18d.js:1:494214
t<t.end@https://domain.com/assets/ember_jquery-189e46ebcb33594b835e782fd1ce916ec750bc0cf980ebc4fb7796649161a18d.js:1:490785
t<t._run@https://domain.com/assets/ember_jquery-189e46ebcb33594b835e782fd1ce916ec750bc0cf980ebc4fb7796649161a18d.js:1:494732
t<t.run@https://domain.com/assets/ember_jquery-189e46ebcb33594b835e782fd1ce916ec750bc0cf980ebc4fb7796649161a18d.js:1:491393
u@https://domain.com/assets/ember_jquery-189e46ebcb33594b835e782fd1ce916ec750bc0cf980ebc4fb7796649161a18d.js:1:358611
s/r.success@https://domain.com/assets/application-4411e2550c07883f35936e49782de79d71ca918a5b09c8c2f53d8f00aaf0e566.js:1:204857
i@https://domain.com/assets/ember_jquery-189e46ebcb33594b835e782fd1ce916ec750bc0cf980ebc4fb7796649161a18d.js:1:28213
fireWith@https://domain.com/assets/ember_jquery-189e46ebcb33594b835e782fd1ce916ec750bc0cf980ebc4fb7796649161a18d.js:1:28981
w@https://domain.com/assets/ember_jquery-189e46ebcb33594b835e782fd1ce916ec750bc0cf980ebc4fb7796649161a18d.js:1:79516
o/<@https://domain.com/assets/ember_jquery-189e46ebcb33594b835e782fd1ce916ec750bc0cf980ebc4fb7796649161a18d.js:1:81961

これらで心当たりがある方はいますか？これは懸念すべき問題でしょうか？

2

同じエラーが発生していますが、原因が全く分かりません。これは懸念すべきことでしょうか？

TypeError: undefined is not an object (evaluating 'this.lookup')
Uncaught TypeError: Cannot read properties of undefined (reading 'lookup')

TypeError: Cannot read properties of undefined (reading 'lookup')
    at n (https://www.domainname/assets/application-e0f95680d521105700427121a33fd1b3cbea44e92926f960e3f3b9dba7fdfdc9.js:1:422985)
    at t.invoke (https://www.domainname/assets/vendor-96a5eaa8d436066b954c21ae5afb7f504310945c679465a2f1ba46b429a95edf.js:30:405488)
    at e.t.flush (https://www.domainname/assets/vendor-96a5eaa8d436066b954c21ae5afb7f504310945c679465a2f1ba46b429a95edf.js:30:404475)
    at e.t.flush (https://www.domainname/assets/vendor-96a5eaa8d436066b954c21ae5afb7f504310945c679465a2f1ba46b429a95edf.js:30:406516)
    at e.n._end (https://www.domainname/assets/vendor-96a5eaa8d436066b954c21ae5afb7f504310945c679465a2f1ba46b429a95edf.js:30:411971)
    at e.n.end (https://www.domainname/assets/vendor-96a5eaa8d436066b954c21ae5afb7f504310945c679465a2f1ba46b429a95edf.js:30:408652)
    at e.n._run (https://www.domainname/assets/vendor-96a5eaa8d436066b954c21ae5afb7f504310945c679465a2f1ba46b429a95edf.js:30:412509)
    at e.n._join (https://www.domainname/assets/vendor-96a5eaa8d436066b954c21ae5afb7f504310945c679465a2f1ba46b429a95edf.js:30:412294)
    at e.n.join (https://www.domainname/assets/vendor-96a5eaa8d436066b954c21ae5afb7f504310945c679465a2f1ba46b429a95edf.js:30:409360)
    at h (https://www.domainname/assets/vendor-96a5eaa8d436066b954c21ae5afb7f504310945c679465a2f1ba46b429a95edf.js:30:273786)