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Available LIFF methods vary depending on the browser you use to open the LIFF app.
Please refer to the API reference page for more information.
You have not assigned any value for LIFF ID.
If you are running the app using Node.js, please set the LIFF ID as an environment variable in your Heroku account follwing the below steps:
- Go to `Dashboard` in your Heroku account.
- Click on the app you just created.
- Click on `Settings` and toggle `Reveal Config Vars`.
- Set `MY_LIFF_ID` as the key and the LIFF ID as the value.
- Your app should be up and running. Enter the URL of your app in a web browser.
If you are using any other platform, please add your LIFF ID in the index.html file.
For more information about how to add your LIFF ID, see Initializing the LIFF app.
Something went wrong with LIFF initialization.
LIFF initialization can fail if a user clicks "Cancel" on the "Grant permission" screen, or if an error occurs in the process of liff.init().