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> If i am copy the project from the IDE and opened on another computer but this time getting same error. > The another computer also installed the Github files.
I'm not quite sure what you mean here exactly.
But when copying it to another PC, you most probably need to adapt the project location / paths.
> C:/Users/Yuvaraj/Desktop/Test/1/Middlewares/Third_Party/LwIP/src/apps/http/fs.c', needed by 'Middlewares/LwIP/apps/http/fs.o'. Stop
Check if this path / pathes are correct.
Alternatively clone it via git on you second PC, instead of copying it.