Debug log: Untitled Instance

...** SANDSTORM SUPERVISOR: Starting up grain.

/node_modules/mkdirp/index.js:90
                    throw err0;
                          ^
Error: EROFS, read-only file system '/undefined'
    at Object.fs.mkdirSync (fs.js:647:18)
    at sync (/node_modules/mkdirp/index.js:71:13)
    at Function.sync (/node_modules/mkdirp/index.js:77:24)
    at Object.<anonymous> (/src/command-line/index.js:26:9)
    at Module._compile (module.js:456:26)
    at Object.Module._extensions..js (module.js:474:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:312:12)
    at Module.require (module.js:364:17)
    at require (module.js:380:17)