error TS5033: Could not write file 'D:/site/temp/typescript/compiledJs_6abd28f1ac8d0.js': ENOSPC: no space left on device, open 'D:\site\temp\typescript\compiledJs_6abd28f1ac8d0.js'.
example.ts(2,41): error TS2339: Property 'toUpperCase' does not exist on type 'string | number'.
  Property 'toUpperCase' does not exist on type 'number'.