# Is "A Taste of Observable" broken?

**URL:** <https://talk.observablehq.com/t/is-a-taste-of-observable-broken/5253>\
**Category:** Feedback\
**Created:** [June 24, 2021, 6:51pm UTC](https://talk.observablehq.com/t/is-a-taste-of-observable-broken/5253 "2021-06-24T18:51:04Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![kalmdown](https://yyz2.discourse-cdn.com/flex030/user_avatar/talk.observablehq.com/kalmdown/32/4971_2.png) [@kalmdown](https://talk.observablehq.com/u/kalmdown)\
**Post date:** [June 24, 2021, 6:51pm UTC](https://talk.observablehq.com/t/is-a-taste-of-observable-broken/5253/1 "2021-06-24T18:51:04Z")

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Getting “RuntimeError: Cannot read property ‘periods’ of undefined”

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**Author:** ![Cobus](https://yyz2.discourse-cdn.com/flex030/user_avatar/talk.observablehq.com/cobus/32/9670_2.png) [@Cobus](https://talk.observablehq.com/u/Cobus)\
**Post date:** [June 25, 2021, 10:29pm UTC](https://talk.observablehq.com/t/is-a-taste-of-observable-broken/5253/2 "2021-06-25T22:29:13Z")

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I am not seeing any errors from my side. Could you share a screenshot?  
I tested in in Chrome and Safari from my Mac…  
Assuming you are looking at [A Taste of Observable / Observable / Observable](https://observablehq.com/@observablehq/a-taste-of-observable)

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<div class="post-metadata">

**Author:** ![kalmdown](https://yyz2.discourse-cdn.com/flex030/user_avatar/talk.observablehq.com/kalmdown/32/4971_2.png) [@kalmdown](https://talk.observablehq.com/u/kalmdown)\
**Post date:** [June 26, 2021, 5:28pm UTC](https://talk.observablehq.com/t/is-a-taste-of-observable-broken/5253/3 "2021-06-26T17:28:45Z")

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Gone now. Guess it was transient. - K