Some tweets couldn't be loaded due to errors.

[Maximoose04]

appendTweet@moz-extension://44985820-5b29-4e0d-aa2c-57b65e251882/scripts/helpers.js:2677:13 renderTimeline@moz-extension://44985820-5b29-4e0d-aa2c-57b65e251882/layouts/profile/script.js:1973:27 at 2060465524350525834 (OldTwitter v1.9.6.5)

[LemonHappy2016]

I also have this issue as well
appendTweet@moz-extension://14a1d4dc-7706-47ec-8793-35c4bfea7d20/scripts/helpers.js:2677:13 updateReplies@moz-extension://14a1d4dc-7706-47ec-8793-35c4bfea7d20/layouts/tweet/script.js:200:23 at 2060397902896443548 (OldTwitter v1.9.6.5)