KeyError error occurred in DataTable

[CDWEN0526]

I repeatedly clear and render line content when using DataTable, and now I encounter a problem
KeyError: <textual.widgets._data_table.RowKey object at 0x7fadc181c190>

Here I attach a screenshot of the question

[github-actions]

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[darrenburns]

Could you share a minimal example of how you encountered this error?