# Bug: Visualisations tab throws "Call to a member function map() on null" in a community install
**URL:** https://discussions.eramba.org/t/bug-visualisations-tab-throws-call-to-a-member-function-map-on-null-in-a-community-install/8913
**Category:** Forum - Software
**Tags:** bug, community
**Created:** [July 1, 2026, 2:52am UTC](https://discussions.eramba.org/t/bug-visualisations-tab-throws-call-to-a-member-function-map-on-null-in-a-community-install/8913 "2026-07-01T02:52:37Z")
**Posts on this page:** 7
**Page:** 1
### Author:  [@divadnagrom](https://discussions.eramba.org/u/divadnagrom)
#### Post date: [July 1, 2026, 2:52am UTC](https://discussions.eramba.org/t/bug-visualisations-tab-throws-call-to-a-member-function-map-on-null-in-a-community-install/8913/1 "2026-07-01T02:52:38Z")
I am not sure if this is just a community issue but if I do the following:
1. Navigate to **Settings \> Access Management \> Groups** and click on your target group.
2. Go to the **Visualizations** tab.
I receive the message in red “Call to a member function map() on null”
I would expect to be able to see the group or some other details to set the visualisation for the group.
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### Author:  [@Adrian](https://discussions.eramba.org/u/Adrian)
#### Post date: [July 6, 2026, 9:17am UTC](https://discussions.eramba.org/t/bug-visualisations-tab-throws-call-to-a-member-function-map-on-null-in-a-community-install/8913/2 "2026-07-06T09:17:51Z")
Could you share which version you are currently on?
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### Author:  [@divadnagrom](https://discussions.eramba.org/u/divadnagrom)
#### Post date: [July 12, 2026, 11:44pm UTC](https://discussions.eramba.org/t/bug-visualisations-tab-throws-call-to-a-member-function-map-on-null-in-a-community-install/8913/3 "2026-07-12T23:44:53Z")
Sorry I did not include that:
**Eramba Community v. 3.30.1**
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### Author:  [@Adrian](https://discussions.eramba.org/u/Adrian)
#### Post date: [July 16, 2026, 11:18am UTC](https://discussions.eramba.org/t/bug-visualisations-tab-throws-call-to-a-member-function-map-on-null-in-a-community-install/8913/4 "2026-07-16T11:18:20Z")
Do you mean **Settings\>Organization and Access\>Groups?**
I tried a fresh install with and without the admin account, and I don’t have that error 🙁. I guess you created some groups here? Are you using the admin account or an account with some specific permissions?
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### Author:  [@divadnagrom](https://discussions.eramba.org/u/divadnagrom)
#### Post date: [August 3, 2026, 2:16am UTC](https://discussions.eramba.org/t/bug-visualisations-tab-throws-call-to-a-member-function-map-on-null-in-a-community-install/8913/5 "2026-08-03T02:16:33Z")
Hi Adrian,
I seem not to be getting update emails.
Yes, I had created a new group and my account has administrator privileges.
Regards
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### Author:  [@Adrian](https://discussions.eramba.org/u/Adrian)
#### Post date: [August 5, 2026, 2:33pm UTC](https://discussions.eramba.org/t/bug-visualisations-tab-throws-call-to-a-member-function-map-on-null-in-a-community-install/8913/6 "2026-08-05T14:33:41Z")
If you mean receiving an email when your Eramba instance is outdated, that is not a thing. When your instance is outdated, the admin will receive an in-app notification upon login letting them know they are running an outdated version.
You can also check if your instance is outdated by going to Settings \> System and Maintenance \> General.
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### Author:  [@divadnagrom](https://discussions.eramba.org/u/divadnagrom)
#### Post date: [August 10, 2026, 7:05am UTC](https://discussions.eramba.org/t/bug-visualisations-tab-throws-call-to-a-member-function-map-on-null-in-a-community-install/8913/7 "2026-08-10T07:05:08Z")
That is not what I meant - I meant the emails from this discussion were not coming through even though I have follow them turned on