Error : Cannot open item

Hi Every One,

Does anyone know how to Fix this,

@adwas111

Delete project.json file and then try to open it once.

After delete project .json file

@adwas111

Are you trying to open Main.xaml file ?

Yup, after delete project.json file
I opened main.xaml

@adwas111

Are you able to other projects ?

same with other also,
I dont know what happen

i have 7 project Running in condition last Friday

but Today failed to run
it has same error with others also

@adwas111 Create a new project and delete main xaml of new project and copy the main xaml of old project and paste to newly created project folder check this solution and let me know.

NICE

THANKS ALOT