Unable to build debug editor configuration. (C4819 error)

i’d like to debug unreal editor using debug editor win64 configuration.
but it keeps occurring build error like below.
development editor win64 configuration works fine. why is that?
I’m using non US windows now.


1>c:\works\unrealengine\engine\source\thirdparty\nvidia\nvapi\nvapi_lite_common.h : error C4819: The file contains a character that cannot be represented in the current code page (949). Save the file in Unicode format to prevent data loss
1>c:\works\unrealengine\engine\source\thirdparty\nvidia\nvapi\nvapi_lite_salend.h : error C4819: The file contains a character that cannot be represented in the current code page (949). Save the file in Unicode format to prevent data loss
1>c:\works\unrealengine\engine\source\thirdparty\nvidia\nvapi\nvapi_lite_sli.h : error C4819: The file contains a character that cannot be represented in the current code page (949). Save the file in Unicode format to prevent data loss
1>c:\works\unrealengine\engine\source\thirdparty\nvidia\nvapi\nvapi_lite_salend.h : error C4819: The file contains a character that cannot be represented in the current code page (949). Save the file in Unicode format to prevent data loss
1>c:\works\unrealengine\engine\source\thirdparty\nvidia\nvapi\nvapi_lite_surround.h : error C4819: The file contains a character that cannot be represented in the current code page (949). Save the file in Unicode format to prevent data loss
1>c:\works\unrealengine\engine\source\thirdparty\nvidia\nvapi\nvapi_lite_salend.h : error C4819: The file contains a character that cannot be represented in the current code page (949). Save the file in Unicode format to prevent data loss
1>c:\works\unrealengine\engine\source\thirdparty\nvidia\nvapi\nvapi_lite_stereo.h : error C4819: The file contains a character that cannot be represented in the current code page (949). Save the file in Unicode format to prevent data loss
1>c:\works\unrealengine\engine\source\thirdparty\nvidia\nvapi\nvapi_lite_salend.h : error C4819: The file contains a character that cannot be represented in the current code page (949). Save the file in Unicode format to prevent data loss
1>c:\works\unrealengine\engine\source\thirdparty\nvidia\nvapi\nvapi_lite_d3dext.h : error C4819: The file contains a character that cannot be represented in the current code page (949). Save the file in Unicode format to prevent data loss
1>c:\works\unrealengine\engine\source\thirdparty\nvidia\nvapi\nvapi_lite_salend.h : error C4819: The file contains a character that cannot be represented in the current code page (949). Save the file in Unicode format to prevent data loss
1>c:\works\unrealengine\engine\source\thirdparty\nvidia\nvapi\nvapi_lite_salend.h : error C4819: The file contains a character that cannot be represented in the current code page (949). Save the file in Unicode format to prevent data loss

I come across the same problem. Did you find the solution for this problem?