I upgraded joomla to version 3.8.10 and something problems happend.
I can't add a new menu item.
When I do that, it get blank page or error message(my official website)

error message:
Fatal error: Cannot use object of type stdClass as array in /hd2/.XDATA/home/bkum/_www_/plugins/system/vanillahelix3/vanillahelix3.php on line 60
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