# Computed columns stopped working

**URL:** <https://community.glideapps.com/t/computed-columns-stopped-working/72205>\
**Category:** Report a Bug\
**Created:** [April 1, 2024, 3:37am UTC](https://community.glideapps.com/t/computed-columns-stopped-working/72205 "2024-04-01T03:37:42Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Jarvis](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/jarvis/32/81377_2.png) [@Jarvis](https://community.glideapps.com/u/Jarvis)\
**Post date:** [April 1, 2024, 3:37am UTC](https://community.glideapps.com/t/computed-columns-stopped-working/72205/1 "2024-04-01T03:37:42Z")

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**Team ID:** v3H5YjEHJnIGch1jON3X  
**App ID:** t2F35FPtV6EdWC6Jscik

**Description** :Hi, I’m pulling data from Airtable, and I had a computed column which suddenly stopped working after 1 month, without any changes on my end.

![image](https://us1.discourse-cdn.com/flex002/uploads/glideapps/original/3X/4/b/4b7c8df898295f6991c1eff63d3d893af1ce32b0.png)

**How to replicate** : Whenever I create a new column and select “Reverse array” I get this error, no matter whether it’s on an existing linked Airtable table, or a new Glide table. I cannot even configure anything any further, nor select which field I want to reverse.

In my app I had this ‘reverse array’ column which showed images from Airtable in my app. In the last 6 hours, sometimes the images would show up automatically, sometimes it wouldn’t. I tried multiple devices as well. This app will be a client portal. If this is a recurring problem, then it will halt my work with clients, and I prefer that not to happen.

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**Author:** ![Darren\_Murphy](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/darren_murphy/32/47326_2.png) [@Darren\_Murphy](https://community.glideapps.com/u/Darren_Murphy)\
**Post date:** [April 1, 2024, 3:41am UTC](https://community.glideapps.com/t/computed-columns-stopped-working/72205/2 "2024-04-01T03:41:38Z")

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Whenever this happens, the cause is almost inevitably due to a poor network connection and/or poor network routing.

Does it work if you switch to a different network or connect to a VPN?

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**Author:** ![Jarvis](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/jarvis/32/81377_2.png) [@Jarvis](https://community.glideapps.com/u/Jarvis)\
**Post date:** [April 1, 2024, 3:49am UTC](https://community.glideapps.com/t/computed-columns-stopped-working/72205/3 "2024-04-01T03:49:46Z")

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Wow, this worked. I only switched from my 5GHz wifi to the regular 2.4 GHz wifi, and everything is back on track. Thanks a lot! Marking this as the solution

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**Author:** ![system](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/system/32/53398_2.png) [@system](https://community.glideapps.com/u/system)\
**Post date:** [April 8, 2024, 3:50am UTC](https://community.glideapps.com/t/computed-columns-stopped-working/72205/4 "2024-04-08T03:50:04Z")

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