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Error when sorting events in events overview

Posted: April 22, 2021 at 8:44 pm


April 22, 2021 at 8:44 pm

Any filter used, it returns a blank with screen with this error.
Operator ‘IN’ must be used with an array of values, eg ‘Registration.REG_ID’ => array(‘IN’,array(1,2,3)) EEM_Base – _construct_op_and_value – 4406


  • Support Staff

April 23, 2021 at 5:43 am

Hi there,

Stange, the filters are working on my test sites.

To confirm, you are going to Event Espresso -> Events.

Then changing any of the filters across the top of the list table and clicking the ‘filter’ button shows the above?

Any custom code in use on the site?


April 23, 2021 at 11:13 am

This reply has been marked as private.


  • Support Staff

April 23, 2021 at 11:36 am

For some strange reason, the filter is working when I just logged in.

Can you expand a little on this, please?

The filter works when you’ve just logged in, but then stops when?

Can and should I update to the latest version of Calendar and Core Plugin? I”m concerned something will break with this custom code…

Yes, I recommend you update to the latest versions as we don’t support older version. We always recommend running the latest version as it may have already been fixed ad we can’t apply fixes to older versions.

I’ve just tested that snippet with the latest version and it works fine for me. However, I can’t reproduce the error you’re getting to know for sure.

Are the steps I mentioned above correct?

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