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Akeeba Backup for Joomla!

#28225 Fatal Error after updating to Akeeba Backup 5.5.0

Posted in ‘Akeeba Backup for Joomla! 4 & 5’
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Environment Information

Joomla! version
n/a
PHP version
n/a
Akeeba Backup version
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Latest post by on Wednesday, 06 September 2017 17:17 CDT

Sunday, 06 August 2017 01:50 CDT

cirymarr
Hi

After upgrading Akeeba Backup Pro to 5.5.0 I get an error 500. I checked my error log and see the following:

PHP Fatal error: Call to a member function addStyleDeclaration() on null in /var/www/vhosts/44/467930/webspace/httpdocs/new.thegaslampgallery.com/plugins/system/backuponupdate/backuponupdate.php on line 230

I followed the instructions in the documentation ("The installation / update broke my site!") which allowed me admin access once again, then I tried to re-install Akeeba Backup Pro 5.5.0 but it fell over with the same PHP Fatal error as above.

Monday, 07 August 2017 01:45 CDT

nicholas
This issue seems to spring from a third party extension messing up Joomla's core APIs for inserting CSS to the page. The necessary steps to work around this issue are described in our news article on the matter.

In short, you will be removing the folder of the plugin which tries to make use of the (now broken) Joomla! core API and install an update to Akeeba Backup which has a workaround for this issue.

If you are interested in the details of this issue you can read the technical analysis in our news article. That's not a required read; we just include it to satisfy the curiosity of our clients and users of our software.

Nicholas K. Dionysopoulos

Lead Developer and Director

🇬🇷Greek: native 🇬🇧English: excellent 🇫🇷French: basic • 🕐 My time zone is Europe / Athens
Please keep in mind my timezone and cultural differences when reading my replies. Thank you!

Wednesday, 06 September 2017 17:17 CDT

System Task
system
This ticket has been automatically closed. All tickets which have been inactive for a long time are automatically closed. If you believe that this ticket was closed in error, please contact us.
Edited by on 2017-09-06 17:17 CDT

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