You may also just search up your errors on stack overflow or other forums if in case you are stuck somewhere.
Please share the screenshot of your code and screenshot of the error so that we can help you out with this query.
Do let me know in case you need further assistance.
To solve this error: Load your library at the beginning of all your scripts.
There can be multiple other reasons for this issue:
- Conflict with Other Libraries
- Path to your library included is not correct
- Llibrary file is corrupted
- Working offline (when you use CDN)