Claude Design error blocks moving long context into a new chat
on the macOS showed a “Failed to update ” error when starting a new chat from a with existing context. The first hit the problem when a third chat was being started.
A second was created with most of the original assets, and that one worked through a long chat that produced several new designs. Later, the app suggested starting a new chat to reduce about 608,000 tokens of context while keeping the project and files in place.
Clicking the new chat button caused the same error on the second . The practical failure point was the handoff from a long working chat into a fresh chat tied to the same .
Key points
- on macOS failed when starting a new chat from a with context.
- The first failed around the third chat.
- A rebuilt later hit the same error after a long chat.
- The app said a new chat could save about 608,000 tokens of context.
- Token-saving chat handoff can fail when project state is tied to a .