[vtkusers] how to fix this problem:Extension GL_VERSION_1_2 could not be loaded

[yas ---]

Hello
When I run my code ,this error is happen!!

" Error In D:\VTK\Rendering\vtkOpenGLExtensionManager.cxx, line 393
vtkOpenGLExtensionManager (042B72A0): Extension GL_VERSION_1_2 could
not be loaded
"
How to fix this problem?

Thanks a lot!!