After following all steps and pre-check on Joomla 3, I disabled all 3rd party extensions and then tried to update to Joomla 4 but it is throwing this error:
Code: Select all
ERROR:
Invalid AJAX data:
<br />
<b>Fatal error</b>: Uncaught Error: Class 'Joomla\CMS\Filesystem\File' not found in /home/customer/www/websiteurl.com/public_html/staging/administrator/components/com_admin/script.php:7846
Stack trace:
#0 /home/customer/www/websiteurl.com/public_html/staging/administrator/components/com_joomlaupdate/restore_finalisation.php(177): JoomlaInstallerScript->deleteUnexistingFiles()
#1 /home/customer/www/websiteurl.com/public_html/staging/administrator/components/com_joomlaupdate/restore.php(5103): finalizeRestore('/home/customer/...', '/home/customer/...')
#2 {main}
thrown in <b>/home/customer/www/websiteurl.com/public_html/staging/administrator/components/com_admin/script.php</b> on line <b>7846</b><br />
https://monosnap.com/file/qWmuZG0jEjvcS ... RUL8XGzOhN
Every time, it gets stuck at 90.7% and throws this error.
Tried switching PHP version to 7.3, 7.4 and 8 but no luck.
Any help will be appreciated
Thanks.