# Error: no override found for 'vtkContextDevice2D'

**URL:** https://discourse.vtk.org/t/error-no-override-found-for-vtkcontextdevice2d/5033
**Category:** Development
**Created:** [January 19, 2021, 7:26am UTC](https://discourse.vtk.org/t/error-no-override-found-for-vtkcontextdevice2d/5033 "2021-01-19T07:26:53Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![suejay](https://discourse.vtk.org/letter_avatar_proxy/v4/letter/s/b2d939/32.png) [@suejay](https://discourse.vtk.org/u/suejay)
#### Post date: [January 19, 2021, 7:26am UTC](https://discourse.vtk.org/t/error-no-override-found-for-vtkcontextdevice2d/5033/1 "2021-01-19T07:26:53Z")

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hello everyone！When i run the example named ‘Charts/QScalarsToColors’,it’s not work.The warning is here:

 ![image](https://discourse.vtk.org/uploads/default/original/2X/a/a35f7d780bdbf08bac8709f540b87259b6f6aef2.png)

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### Author: ![ben.boeckel](https://discourse.vtk.org/letter_avatar_proxy/v4/letter/b/ea5d25/32.png) [@ben.boeckel](https://discourse.vtk.org/u/ben.boeckel)
#### Post date: [March 22, 2021, 12:37am UTC](https://discourse.vtk.org/t/error-no-override-found-for-vtkcontextdevice2d/5033/2 "2021-03-22T00:37:12Z")

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This should be fixed with [this MR](https://gitlab.kitware.com/vtk/vtk/-/merge_requests/7773). Thanks for the report.