Failed to fork current session through the app server
Nobody has claimed this yet.
- Dominant language
- Rust
- Stars
- 125k
- Forks
- 19.4k
- PR merge metrics
- PR metrics pending
Description
What version of Codex CLI is running?
1.0.149
What subscription do you have?
pro
Which model were you using?
gpt-5.6-sol
What platform is your computer?
macos
What terminal emulator and version are you using (if applicable)?
No response
Codex doctor report
What issue are you seeing?
Failed to fork current session through the app server: thread/fork failed during TUI bootstrap: thread/fork failed: failed to prepare paginated fork: thread-store
internal error: thread history projection for 01a0338d-b713-7161-bdfd-c2f900bd201b expected ordinal 4622, got 4621 (code -32603)
What steps can reproduce the bug?
/fork xxx
What is the expected behavior?
No response
Additional information
No response
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the failure with the /fork xxx command and trace the thread/fork path through the thread-store handling described in the error. Investigate the thread history projection for the reported ordinal mismatch; done means forking the current session completes without the internal error.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- cli
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Active
- Clarity
- Mostly clear
- Newbie friendliness
- 48/100