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EE4 plugin installation failed

Posted: January 10, 2018 at 3:28 am

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KZNTR

January 10, 2018 at 3:28 am

Hi if I install “Event Espresso 4 Decaf” on my website I get the error like this:

“Installation failed: 500 Internal Server Error <!–[if lte IE 6]><![endif]–> Internal Server Error The server encountered an internal error or misconfiguration and was unable to complete your request. Please contact the server administrator to inform of the time the error occurred and of anything you might have done that may have caused the error. More information about this error may be available in the server error log. Web Server at tempdomain.co.za <!– – Unfortunately, Microsoft has added a clever new – “feature” to Internet Explorer. If the text of – an error’s message is “too small”, specifically – less than 512 bytes, Internet Explorer returns – its own error message. You can turn that off, – but it’s pretty tricky to find switch called – “smart error messages”. That means, of course, – that short error messages are censored by default. – IIS always returns error messages that are long – enough to make Internet Explorer happy. The – workaround is pretty simple: pad the error – message with a big comment like this to push it – over the five hundred and twelve bytes minimum. – Of course, that’s exactly what you’re reading – right now. –>”


Tony

  • Support Staff

January 10, 2018 at 3:34 am

Hi there,

Error 500 basically means ‘something went wrong’ but it doesn’t tell us what that is (the additional text shown above is set to show by the server, its no part of the error).

Your host will usually have a section in the control panel you can use to view the full error, if not you can check the error_log file (or similar) on the server for the full error, search for ‘Fatal Error’.

Or… you can add the snippet here: https://eventespresso.com/wiki/troubleshooting-checklist/#wpdebug

To your wp-config.php file to tell your site to log the errors so we can view them.


Tony

  • Support Staff

January 10, 2018 at 3:35 am

Also, whilst the same issue will likely happen with the full version of Event Espresso, can I ask why you are installing Decaf rather than regular EE?


KZNTR

January 10, 2018 at 3:44 am

Thanks for all the help.

I generally install decaf and then put in my license key to upgrade.
Should I try installing EE straight up?


Tony

  • Support Staff

January 10, 2018 at 3:53 am

Installing Decaf sets up your templates for decaf, it’s not a major problem but means your Receipt and Invoice templates will use the event-espresso-4-decaf directory for the images which will then fail when you switch to regular.

Its an easy fix (just reset those templates and EE will regenerate them using the correct URL’s) but easily avoided by installing regular directly.

I don’t think installing regular will prevent the above error (whatever it may be) but its worth installing regular rather decaf imo.


KZNTR

January 10, 2018 at 3:55 am

Okay, thanks. I tried to install EE4 using the zip download and got the following response:

The uploaded file exceeds the upload_max_filesize directive in php.ini


Tony

  • Support Staff

January 10, 2018 at 3:57 am

That means you servers upload_max_filesize setting is likely set a 4MB and needs to be increased as EE regular is larger than that.

I’d recommend contacting your host to have them update that value for you, I would use 8MB.

Did you manage to find the error for the original post?


KZNTR

January 10, 2018 at 4:04 am

Thanks. Still looking for the error from the original post.


Tony

  • Support Staff

January 10, 2018 at 4:35 am

The most common problem is the site running out of memory, which you can fix without knowing if that’s the error (as more memory is better anyway) by following the steps here:

https://codex.wordpress.org/Editing_wp-config.php#Increasing_memory_allocated_to_PHP

I’d recommend using 96M or higher.


KZNTR

January 10, 2018 at 6:49 am

The problem has been resolved. We put define( ‘WP_MEMORY_LIMIT’, ’96M’ ); line in wp-config file.

Thanks
Andrew


Tony

  • Support Staff

January 10, 2018 at 10:28 am

Great!

Whilst I’m glad it’s working for you I’d recommend working through to find/setup the error logs with your host as if anything does go wrong further down the line, you’ll need them so better to get them working now than in a panic later.

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