This error is may be because of react native version React native 0.56
Here is the link about the discussion of this issue React native 0.56.* - "Unexpected identifier"
So they suggest us to downgrade the version of react-native React Native Version List
So open the file of your project named as package.json
inside it you can find react-native": "0.56.4"
replace this version with react-native": "0.55.4"
or what ever the version you want
then save the file
go to the terminal or power sell
rich to the your project directory and run the command npm-install
after installation check the version of react-native
by running the command react-native --version
and make sure that version is which you changed in package.json
restart your project and you are ready to go without this error
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