Version

3.1.1

Reproduction link

https://codesandbox.io/s/blissful-allen-3w04s

Steps to reproduce

Click 'Add' button

What is expected?

Additional row in table should appear

What is actually happening?

[Vue warn]: Unhandled error during execution of scheduler flush. This is likely a Vue internals bug. Please open an issue at https://new-issue.vuejs.org/?repo=vuejs/vue-next at <OTable columns= (2) [Object, Object] data= (2) [Object, Object]> at < App >

Is reported i console

Please open an issue with oruga-ui. They can investigate and, if it's a Vue bug, provide a minimal reproduction for us to investigate.