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Having trouble adding extensions

Posted: March 23, 2020 at 6:17 pm


March 23, 2020 at 6:17 pm

I have bought the Everything Support License and installed it on successfully. However, I cannot add any of the extension plugins. I keep getting this message: Not Acceptable

An appropriate representation of the requested resource could not be found on this server.

Additionally, a 406 Not Acceptable error was encountered while trying to use an ErrorDocument to handle the request.

Please help me with this.


  • Support Staff

March 23, 2020 at 6:47 pm


A 406 error happens because of a restriction on your website’s server. You can check with your web host and let them know you were trying to install a plugin for WordPress, and got a 406 error. They may need to adjust the modsecurity rules or turn off modsecurity.

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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  Josh 6 days, 9 hours ago ago

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