Hi Joilson,
Greetings from syncfusion.
On the further analysis of the shared details, we suspect you are using hierarchical tree layout and in the sample, you have circular node relationship that why you faced the reported issue.The hierarchical tree layout only support to single parent and multi children relationship. We suggest you to use the complex hierarchical tree layout for the multi parent and multi children relationship. We have added a sample link to demonstrate how to create the complex-hierarchical tree layout.
If still the error persists we request you to replicate the reported issue in the shared sample that will help us to proceed further.
Regards,
Gowtham