Turbopack Error: NftJsonAsset: cannot handle filepath '[turbopack-wasm]/node/loadWasm.ts', it is not under the output_root: '[output]/' or the project_root: '[project]/'

[jwanner83]

Hey, I just updated to 16.3.0 and getting a new turbopack error. Build (with turbopack) worked fine before.

Turbopack version: d73f5622
Next.js version: 16.3.0

Error message:

NftJsonAsset: cannot handle filepath '[turbopack-wasm]/node/loadWasm.ts', it is not under the output_root: '[output]/' or the project_root: '[project]/'

Caused by:
- NftJsonAsset: cannot handle filepath 'node/loadWasm.ts'

Debug info:
- Execution of emit_all_output_assets_once_with_issues_operation failed
- Execution of EntrypointsOperation::new failed
- Execution of emit_all_output_assets_once_operation failed
- Execution of Project::emit_all_output_assets failed
- Execution of emit_assets failed
- Execution of emit failed
- Execution of <NftJsonAsset as Asset>::content failed
- NftJsonAsset: cannot handle filepath '[turbopack-wasm]/node/loadWasm.ts', it is not under the output_root: '[output]/' or the project_root: '[project]/'
- NftJsonAsset: cannot handle filepath 'node/loadWasm.ts'

[bgw]

I believe this should be fixed by #96600 / #96655, which should be included in 16.3.1 once that's released in the next few days.

[jwanner83]

Hey! Thank you for your message. If I checked the commits and release notes correctly, the fix should already be included in the canary release of v16.3.1-canary.1. Unfortunately, the same error exists for me even with the new version 16.3.1-canary.8. Could you verify this for me if my assumptions are correct?

[jwanner83]

@bgw Hey, I've checked with the released 16.3.1 but unfortunately this is still an issue. Please reopen this discussion so it doesn't get lost along the way while this issue still exists.

NftJsonAsset: cannot handle filepath '[turbopack-wasm]/node/loadWasm.ts', it is not under the output_root: '[output]/' or the project_root: '[project]/'

Caused by:
- NftJsonAsset: cannot handle filepath 'node/loadWasm.ts'

Debug info:
- Execution of emit_all_output_assets_once_with_issues_operation failed
- Execution of EntrypointsOperation::new failed
- Execution of emit_all_output_assets_once_operation failed
- Execution of Project::emit_all_output_assets failed
- *... 1 more frame ...*
- Execution of emit failed
- Execution of <NftJsonAsset as Asset>::content failed
- NftJsonAsset: cannot handle filepath '[turbopack-wasm]/node/loadWasm.ts', it is not under the output_root: '[output]/' or the project_root: '[project]/'

[mischnic]

This should be fixed by #97463