# Failed to construct 'Notification': Illegal constructor

**URL:** https://meta.discourse.org/t/failed-to-construct-notification-illegal-constructor/106450
**Category:** Support
**Created:** [January 13, 2019, 10:08pm UTC](https://meta.discourse.org/t/failed-to-construct-notification-illegal-constructor/106450 "2019-01-13T22:08:51Z")
**Posts on this page:** 1
**Showing post:** 9

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### Author: ![hosna](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/hosna/32/99969_2.png) [@hosna](https://meta.discourse.org/u/hosna)
#### Post date: [February 21, 2019, 9:58pm UTC](https://meta.discourse.org/t/failed-to-construct-notification-illegal-constructor/106450/9 "2019-02-21T21:58:42Z")

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> [@bletch](#):
>
> Can I ask what non-Discourse plugins you have installed? Let’s see if we can find some common potential cause outside of core.

I have two discourse forums. This error appears in both. However in one of them I have hundreds of these errors per hour and I think if its because of a plugin, its because of [who is online plugin](https://meta.discourse.org/t/whos-online-plugin-discourse-whos-online/52345), which is not installed in the other forum.

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