Turbopack Error: Failed to write app endpoint /page

[BrighterTech01]

Turbopack version: d0ac8828
Next.js version: 0.0.0

Error message:

Failed to write app endpoint /page

Caused by:
- Cell CellId { type_id: ValueTypeId { id: 91, name: ValueType { name: "next_core::app_structure::AppPageLoaderTree" } }, index: 0 } no longer exists in task TaskId { id: 57 } directory_tree_to_loader_tree (no cell of this type exists)

Debug info:
- Execution of Project::hmr_version_state failed
- Execution of hmr_version_operation failed
- Execution of VersionedContentMap::get failed
- Execution of VersionedContentMap::get_asset failed
- Execution of VersionedContentMap::compute_entry failed
- Execution of *emit_assets failed
- Execution of all_assets_from_entries_operation failed
- Execution of *all_assets_from_entries failed
- Execution of endpoint_output_assets_operation failed
- Execution of <AppEndpoint as Endpoint>::output failed
- Failed to write app endpoint /page
- Execution of *all_asset_paths failed
- Execution of *AppEndpointOutput::output_assets failed
- Execution of AppEndpoint::output failed
- Execution of get_app_page_entry failed
- Execution of parse_segment_config_from_loader_tree failed
- Cell CellId { type_id: ValueTypeId { id: 91, name: ValueType { name: "next_core::app_structure::AppPageLoaderTree" } }, index: 0 } no longer exists in task TaskId { id: 57 } directory_tree_to_loader_tree (no cell of this type exists)

[prescottprue]

Also seeing this same thing - clearing .next folder and restarting the server fixed it in my case