This example explains about how to navigate to error cells in WPF DataGrid (SfDataGrid) via button click.
WPF DataGrid (SfDataGrid) does not have support to navigate through the error cells specifically. You can navigate to the error cells using the CurrentRowColumnIndex and GridCell.HasError properties through button click.
KB article - How to navigate to error cells in WPF and UWP DataGrid (SfDataGrid) via button click?