Svelte 1.0.0 has introduced multiple breaking changes. Upgrading svelte and going through the changes in detail is very important. **Some links to help** - https://github.com/sveltejs/kit/discussions/5774 - https://github.com/sveltejs/kit/discussions/5748 - https://github.com/sveltejs/kit/discussions/5883
Svelte 1.0.0 has introduced multiple breaking changes.
Upgrading svelte and going through the changes in detail is very important.
Some links to help