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Error message

Posted: June 22, 2020 at 1:48 am


June 22, 2020 at 1:48 am


I am seeing this error message in my WordPress dashboard. Would you be able to offer any advice?

An error has occurred:
The url given for Event Espresso assets is invalid. The url provided was: “ -1/assets/dist/”. This usually happens when another plugin or theme on a site is using the “plugins_url” filter or has an invalid url set for the “WP_PLUGIN_URL” constant




  • Support Staff

June 22, 2020 at 11:01 am

Hi Joe,

Are there no line numbers to go with the above error?

Usually, you’ll get that error when using a ‘relative’ plugin to make all of the links on your site use relative URLs, but that’s not a relative URL in the above.

The part that stands out is event-espresso-core-reg -1, the space in that directory may be causing issues.


June 23, 2020 at 1:14 am

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  • Support Staff

June 23, 2020 at 2:43 am

I haven’t used Dreamweaver in a long time but if it’s connecting via FTP it should be fine.

For screenshots you can use support[at], or just host them on the site and post a link to them here.

There seem to be 3 different versions of this directory.

You only need 1, based on the above your site is likely using the event-espresso-core-reg -1.

You can confirm this in the Plugins menu although its a little clunky.

Find the currently active version of Event Espresso 4 (I’m guessing EE4 is also listed 3 times in that plugin menu?) and hover over the deactivate link.

At the bottom of your browser you’ll see the link it will use and in the URL it will show you something like:



June 24, 2020 at 3:03 am

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  • Support Staff

June 24, 2020 at 4:21 am

Before going forward, do you have 3 versions of EE4 listed in the Plugins menu?

You mentioned you have 3 versions of the event-espresso-core-reg directory, if you have 3 versions and one is always just event-espresso-core-reg then renaming the one with the space is going to clash. Either remove the additional versions first or rename them so none use event-espresso-core-reg other than the ‘correct’ version.

When you rename the active one, it will de-activate, thats about the only problem you’ll have. So just reactivate it and any EE add-ons that also de-activated (they are tied into core and will de-activate if core does)

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Support forum for Event Espresso 3 and Event Espresso 4.
Documentation for EE3 and EE4
Documentation for Event Espresso 3 Documentation for Event Espresso 4

Status: publish

Updated by  Tony 4 months, 1 week ago ago

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