I was building a project from the project book of “Drona aviation” and pasted the code in cygnus and press “Build” it got Successful than after sometime I again clicked on “Build” Then I got an error as shown in image (make *** [MakeFile:175: obj/Experience_PLUTOX.elf] Error 1 ) . I hadn’t edited the code its all same earlier it was built successful and now I’m getting error .If found solution please revert me