[BUG]Can't add node in unity editor 2021.1.19.

[yjl2832118Participant]

I upgrade unity edtitor to 2021.1.19 and found that when I want to add new node in behaviour tree edit window, there will be a null reference bug and the add now window is empty.</span>

[juanvanlitsParticipant]

Can confirm, same thing happened here. Imported into a new / empty project and as soon as I right clicked inside a graph, I get the same null reference error

[pilgrimParticipant]

I ran into the same problem. I was able to get it working by replacing lines 355 and 356 of EditorUtils.ContextMenus.cs

from:

var itemField = typeof(GenericMenu).GetField(“menuItems”, BindingFlags.Instance | BindingFlags.NonPublic);

var items = itemField.GetValue(menu) as ArrayList;

to

var itemField = typeof(GenericMenu).GetField(“m_MenuItems”, BindingFlags.Instance | BindingFlags.NonPublic);

var items = itemField.GetValue(menu) as IList;

[juanvanlitsParticipant]

Amazing, this worked

[GavalakisKeymaster]

This is also fixed in the latest version.
Thank you for the fix! 🙂

[Author]

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