treeGrid display data issue


I am using dhtmlxSuite_v25_pro_91111 and I have a problem to display data in the treeGrid.

I can load the data without any problems, but when I want to click on some nodes in the treeGrid I get the errors on the screenshot.

It would be fine, if you can take a look at the attached screenshot/files.

thanks in advance (7.72 KB)

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