The error occurred in the file /home/x/public_html/plugins/system/lscache/lscache.php on line 679, where the code is attempting to assign a property "id" on a null value.
The error stack trace indicates that the error was triggered by the onContentChangeState function of the plgSystemLSCache plugin. It seems that the plugin is attempting to update the state of a content item in Joomla, but is encountering a null value where an ID property is expected.
To resolve this issue, you may need to review the code of the plgSystemLSCache plugin to determine why a null value is being passed where an ID property is expected.
Here you can find the stack trace:
Exception Type: Error
File: public_html/plugins/system/lscache/lscache.php
Line: 679
Message: Attempt to assign property "id" on null
#0 public_html/libraries/joomla/event/event.php(70): plgSystemLSCache->onContentChangeState('com_tags.tag', Array, -2)
#1 public_html/libraries/joomla/event/dispatcher.php(160): JEvent->update(Array)
#2 public_html/libraries/src/MVC/Model/AdminModel.php(1129): JEventDispatcher->trigger('oncontentchange...', Array)
#3 public_html/libraries/src/MVC/Controller/AdminController.php(198): Joomla\CMS\MVC\Model\AdminModel->publish(Array, -2)
#4 public_html/libraries/src/MVC/Controller/BaseController.php(702): Joomla\CMS\MVC\Controller\AdminController->publish()
#5 public_html/administrator/components/com_tags/tags.php(19): Joomla\CMS\MVC\Controller\BaseController->execute('trash')
#6 public_html/libraries/src/Component/ComponentHelper.php(402): require_once('public_...')
#7 public_html/libraries/src/Component/ComponentHelper.php(377): Joomla\CMS\Component\ComponentHelper::executeComponent('public_...')
#8 public_html/libraries/src/Application/AdministratorApplication.php(101): Joomla\CMS\Component\ComponentHelper::renderComponent('com_tags')
#9 public_html/libraries/src/Application/AdministratorApplication.php(159): Joomla\CMS\Application\AdministratorApplication->dispatch()
#10 public_html/libraries/src/Application/CMSApplication.php(225): Joomla\CMS\Application\AdministratorApplication->doExecute()
#11 public_html/administrator/index.php(51): Joomla\CMS\Application\CMSApplication->execute()
#12 {main}
The error stack trace indicates that the error was triggered by the onContentChangeState function of the plgSystemLSCache plugin. It seems that the plugin is attempting to update the state of a content item in Joomla, but is encountering a null value where an ID property is expected.
To resolve this issue, you may need to review the code of the plgSystemLSCache plugin to determine why a null value is being passed where an ID property is expected.
Here you can find the stack trace:
Exception Type: Error
File: public_html/plugins/system/lscache/lscache.php
Line: 679
Message: Attempt to assign property "id" on null
#0 public_html/libraries/joomla/event/event.php(70): plgSystemLSCache->onContentChangeState('com_tags.tag', Array, -2)
#1 public_html/libraries/joomla/event/dispatcher.php(160): JEvent->update(Array)
#2 public_html/libraries/src/MVC/Model/AdminModel.php(1129): JEventDispatcher->trigger('oncontentchange...', Array)
#3 public_html/libraries/src/MVC/Controller/AdminController.php(198): Joomla\CMS\MVC\Model\AdminModel->publish(Array, -2)
#4 public_html/libraries/src/MVC/Controller/BaseController.php(702): Joomla\CMS\MVC\Controller\AdminController->publish()
#5 public_html/administrator/components/com_tags/tags.php(19): Joomla\CMS\MVC\Controller\BaseController->execute('trash')
#6 public_html/libraries/src/Component/ComponentHelper.php(402): require_once('public_...')
#7 public_html/libraries/src/Component/ComponentHelper.php(377): Joomla\CMS\Component\ComponentHelper::executeComponent('public_...')
#8 public_html/libraries/src/Application/AdministratorApplication.php(101): Joomla\CMS\Component\ComponentHelper::renderComponent('com_tags')
#9 public_html/libraries/src/Application/AdministratorApplication.php(159): Joomla\CMS\Application\AdministratorApplication->dispatch()
#10 public_html/libraries/src/Application/CMSApplication.php(225): Joomla\CMS\Application\AdministratorApplication->doExecute()
#11 public_html/administrator/index.php(51): Joomla\CMS\Application\CMSApplication->execute()
#12 {main}