Issue while running npm run android

[vaultcode]

The development server returned response error code: 500

URL: http://10.0.2.2:8081/index.android.bundle?platform=android&dev=true&hot=false&minify=false

Body:
{"from":"C:\Users\UserName\my-project\src\Screens\First.js","to":"theme","message":"Unable to resolve module theme from C:\\Users\\UserName\\my-project\\src\\Screens\\First.js: Module does not exist in the module map\n\nThis might be related to https://github.com/facebook/react-native/issues/4968\nTo resolve try the following:\n 1. Clear watchman watches: watchman watch-del-all.\n 2. Delete the node_modules folder: rm -rf node_modules && npm install.\n 3. Reset packager cache: rm -fr $TMPDIR/react-* or npm start -- --reset-cache.","name":"UnableToResolveError","type":"UnableToResolveError","errors":[{}]}
processBundleResult
BundleDownloader.java:170
access$100
BundleDownloader.java:39
onResponse
BundleDownloader.java:139
execute
RealCall.java:135
run
NamedRunnable.java:32
runWorker
ThreadPoolExecutor.java:1167
run
ThreadPoolExecutor.java:641
run
Thread.java:764

[uasaigoli]

I have similar issue in mac.

error: bundling failed: "Unable to resolve module theme from /Users/newuser/github/my-project/src/Screens/First.js: Module does not exist in the module map\n\nThis might be related to https://github.com/facebook/react-native/issues/4968\nTo resolve try the following:\n 1. Clear watchman watches: watchman watch-del-all.\n 2. Delete the node_modules folder: rm -rf node_modules && npm install.\n 3. Reset packager cache: rm -fr $TMPDIR/react-* or npm start -- --reset-cache."

[mlabieniec]

Looks like this is a RN error not finding "theme" in Screens/First.js. What is the module "theme" your including? If it's a module you have installed, you should try the info suggested i.e. clear modules/cache etc.

[uasaigoli]

Issue resolved after replacing following line -

import { colors } from 'theme';
with
import { colors } from '../Utils/theme';

changed were in 15-16 files

[nidsharm]

Hi @vaultcode ,

I tried out our React Native starter from scratch on Android and iOS and couldn't reproduce the issue. Have you made any changes to the project since you cloned it? If not, I think the issue is with the node modules dependencies.

We use providesModule here : https://github.com/aws-samples/aws-mobile-react-native-starter/blob/1943bec3b374ca9df60197310ab2e31cccb18492/client/src/Utils/theme.js#L2 to not use the complete path to 'theme' module.

Thanks.

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