I did all steps specified in the manually updating post https://wplms.io/support/knowledge-base/manually-updating-wplms/
After doing this steps I go to my home page and it shows the following error message:
<b>Fatal error</b>: Call to a member function get() on null in <b>XXX.../html/wp-content/plugins/vibe-customtypes/includes/profile_menu.php</b> on line <b>56</b>
Could you please give me an advice on how to solve this issue?
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¿What is the best solution to upgrade from version 2.0.2 to 3.9.?
@metalkorn,
Your theme version is too old. A lot of changes done, new functionalities added after this version. It is advised to first create a full backup of your site for a safer side and then update your theme via Manually updating.
refer:
https://wplms.io/support/knowledge-base/manually-updating-wplms/
Make sure your Wordpress and PHP version should be the latest. Contact your WebHost for this