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Stefan van den Dungen Gronovius

Hi Daniel,

I’m sorry to hear that you experience this issue on your environment.
Since this specific message does not really tell me where to look in our code, I need some more information.
It would really help I can get access to your environment, will that be possible?
Please send any information to

5 years, 1 month ago
Stefan van den Dungen Gronovius

Hi Daniel,

That would not be ideal.
Can you maybe send me a list of installed plugins and see if you can find the place in our JS file where it throws the error? In that case, I could have a better understanding of where to look in our code.

5 years, 1 month ago

Hi Stefan,

I understand that.

I tried inspecting the error a little more and this is the only thing I could pull:

ReferenceError: event is not defined table.bundle.js:1:31514

The file, unfortunately, has the code all in one line as it seems to be minified.

Here’s the list of my installed plugins:
Active Plugins
Admin Columns Pro by – 4.4.1
Admin Columns Pro – Advanced Custom Fields (ACF) by Admin Columns – 2.4
Admin Columns Pro – Events Calendar by Admin Columns – 1.3
Adminimize by Frank Bültge – 1.11.4
Advanced Custom Fields: NextGEN Gallery Field add-on by Ales Loziak, Robert Kleinschmager – 2.1
Advanced Custom Fields PRO by Elliot Condon – 5.7.9
Advanced Database Cleaner by Younes JFR. – 2.0.0
Better Delete Revision by Galerio & Urda – 1.6.1
Bootstrap 3 Shortcodes by Michael W. Delaney, Filip Stefansson, and Simon Yeldon – 3.3.12
Breadcrumb NavXT by John Havlik – 6.2.1
Classic Editor by WordPress Contributors – 1.3
CMS Tree Page View by Pär Thernström – 1.6
Collapse-Pro-Matic by twinpictures – 1.3.7
Debug Bar by wordpressdotorg – 1.0
Disable Comments by Samir Shah – 1.8.0
Duplicate Post by Enrico Battocchi – 3.2.2
Email Address Encoder by Till Krüss – 1.0.12
Enable Media Replace by ShortPixel – 3.2.7
Google XML Sitemaps by Arne Brachhold – 4.1.0
GP Limit Dates by David Smith – 1.0.13
Gravity Perks by Gravity Wiz – 2.1.2
Loxi Event Calendar by Modern Tribe, Inc. – 1.0
Members by Justin Tadlock – 2.1.0
Navception by Faison Zutavern – 2.0.0
NextGEN Gallery by Imagely – 3.1.4
NextGEN Gallery Optimizer Pro by Helpful Media – 2.1.5
Page Links To by Mark Jaquith – 3.0.1
Peter’s Login Redirect by Peter Keung – 2.9.1
Post Expirator by Aaron Axelsen –
Public Post Preview by Dominik Schilling – 2.8.0
ReCollect Widget by ReCollect Systems Inc. – 1.0.1
ShortPixel Image Optimizer by ShortPixel – 4.12.4
Simple History by Pär Thernström – 2.29.1
TablePress by Tobias Bäthge – 1.9.1
TablePress Extension: DataTables FixedColumns by Tobias Bäthge – 1.4
TablePress Extension: Larger Edit Input Fields by Tobias Bäthge – 1.0
The Events Calendar by Modern Tribe, Inc. – 4.7.3
The Events Calendar: Filter Bar by Modern Tribe, Inc. – 4.5.9
The Events Calendar PRO by Modern Tribe, Inc. – 4.5.2
WP Crontrol by John Blackbourn & contributors – 1.6.2

Thank you!

5 years, 1 month ago
Stefan van den Dungen Gronovius

Can you contact me on so I can send you a version of Admin Columns Pro with some debug info in it?

5 years, 1 month ago

We are experiencing a very similar error, and have for a few months. The precise message we have is:

ReferenceError: event is not defined line 1

(Note the later version)

JS Console shows the error at table.bundle.js:1:7898 .

Our plugins that match those posted by OP above:

Admin Columns Pro
Admin Columns Pro – Advanced Custom Fields (ACF)
Advanced Custom Fields PRO
Debug Bar

5 years ago

I’m sorry Stefan,

I didn’t have a chance to email you yet.

CBRACKEN, we have the same plugins, that may be related or not… no clue yet.


5 years ago
Stefan van den Dungen Gronovius

Will it be possible that I can get access to one of your (test/staging) environments so I can debug this myself? If so, please send any information to or try to contact me on the live chat to do this real time.

5 years ago

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