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hsato
16 Nov 2015, 6:20 PM
I'm viewing the tree using the Ext.tree.Panel.
When I change the structure of the tree when the number of nodes in the tree is more than 47,
a problem that the display of the tree break has occurred.
Specifically, the problem occurs that it be moved to another position a node
that is at the bottom on the display along with the parent node.

In this case, the following error occurs.
Uncaught TypeError: Can not read property 'insertSibling' of null
(Ext.define.doAdd @ ext-all-debug.js: 93361)

Is this problem a bug?
(Is the same problem as EXTJS-8289?)
In the case of bugs, is there any way to avoid this problem?

tristan.lee
16 Nov 2015, 9:22 PM
Which version are you using where you experience this issue? Can you provide a fiddle (https://fiddle.sencha.com) demonstrating the issue so I can work with you on resolving this?

hsato
16 Nov 2015, 9:43 PM
> Which version are you using where you experience this issue?


My Ext js version is 4.2.

> Can you provide a fiddle (https://fiddle.sencha.com) demonstrating the issue so I can work with you on resolving this?

Thank you very much. I will check it.