Error: Call to undefined method Joomla\CMS\Document\ErrorDocument::getWebAssetManager() - Forum | JoomShaper
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Error: Call to undefined method Joomla\CMS\Document\ErrorDocument::getWebAssetManager()

Asked by Gabriel Webb 4 years ago Last activity 4 years ago

I updated my joomla and now i can't access the administrator back end. It shows error;
Error: Call to undefined method Joomla\CMS\Document\ErrorDocument::getWebAssetManager(): Call to undefined method Joomla\CMS\Document\HtmlDocument::getWebAssetManager()

I need assistance

1 reply

Paul Frankowski Senior Staff
4 years ago · edited

Hi Gabriel,

I suggest visit: Forum.joomla.org

It doesn't look like our issuse this time.

It can be caused by old editor files like from JCE or extra installed plugin.

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