I get Invalid Signature for B2C access token.

Question

const configB2C = {
    issuer: IssuerURL,
    clientId: Client ID,
    redirectUrl: packagename://packagename/Platform.OS/callback/,
    scopes: [ ‘openid’, ’https://applicationURI/webrole.read'],
    iosPrefersEphemeralSession: true,
    additionalParameters: {ui_locales: "en-US"},

};  

• Using this package “ react-native-app-auth”, get access token for react-native.
• But, I get invalid signature for this retrieved access-token.
• I need to change any configuration from azure or need to change any object keys from my config.
• How to resolve this issue.