XCode build and run fails because of root_files missings

[WikiOops]

I, a react-native noob. got errors of watchman when build and run xcode:
Experts, how to avoid it? Should I disable root_files ?
Thanks in advance.

React packager ready.

ERROR resolve_projpath: none of the files listed in global config root_files are present in path /Users/zhou/react/PropertyFinder or any of its parent directories
{"watchmanResponse":{"version":"3.8.0","error":"resolve_projpath: none of the files listed in global config root_files are present in path /Users/zhou/react/PropertyFinder or any of its parent directories"}}
Error: resolve_projpath: none of the files listed in global config root_files are present in path /Users/zhou/react/PropertyFinder or any of its parent directories
at BunserBuf. (/Users/zhou/react/PropertyFinder/node_modules/react-native/node_modules/sane/node_modules/fb-watchman/index.js:93:23)
at emitOne (events.js:77:13)
at BunserBuf.emit (events.js:169:7)
at BunserBuf.process (/Users/zhou/react/PropertyFinder/node_modules/react-native/node_modules/bser/index.js:289:10)
at /Users/zhou/react/PropertyFinder/node_modules/react-native/node_modules/bser/index.js:244:12
at doNTCallback0 (node.js:417:9)
at process._tickCallback (node.js:346:13)

[javache]

Can you try adding add a .watchmanconfig to the root of your repository with {} as its contents? See #2042 for details.

[WikiOops]

Thanks. It works, and has got fixed.

[bvaughn]

Can you try adding add a .watchmanconfig to the root of your repository with {} as its contents?

Thanks! 2 years later, but this comment just helped me too. 😄