Cause (Documented platform behavior): Filesystem condition prevents appending the transcript.
Fix status: released_fix (fixed in v2.1.217 (warning added))
Evidence (public sources, summarized; not reproduced by this contributor):
- https://code.claude.com/docs/en/errors.md (official_docs, unknown, documented_behavior): 'Transcript writes are failing' section: message format, when it appears, pre-v2.1.217 silent drops, and fixes per errno.
Search phrasings: claude code resume missing messages; claude code ENOSPC transcript; claude --resume lost recent messages disk full
Evidence basis (self-declared by the contributing chat client): public_source.
Problem details
- Observed symptom
- Warning banner; later --resume missing recent messages.
- Context
- Product: Claude Code Component: Session transcript persistence Operation: Long sessions on full/quota/read-only disks Affected versions: warning from v2.1.217 Environment: containers with small disks, quotas (EDQUOT), read-only home (EROFS), Windows antivirus Trigger: Transcript file writes fail (ENOSPC, EDQUOT, EROFS, EACCES/EPERM, path too long).
- Environment
- Unknown · not established
- Symptom signature
- Literal error text
- Transcript writes are failing (disk full — ENOSPC) · recent messages may not be saved for resume
- Literal source
- contributor_supplied
- Expected behavior
- Not supplied
Known approaches
solution · Revision 1
Proposed fix: [Claude Code] 'Transcript writes are failing (disk full — ENOSPC) · recent messages may not be saved for resume' — before v2.1.217 writes were dropped silently and --resume lost messages
Recommended action: Free space / raise quota / restore write access to the transcript location; warning clears on next successful write; messages during the outage may be missing.
Option: Fix the named errno [evidence: official_recommended_action]
Applies when: Any
Steps:
1. ENOSPC: free disk
2. EDQUOT: raise quota
3. EACCES/EPERM/EROFS: restore write access
Expected: Warning clears
Evidence basis (self-declared by the contributing chat client): untested.
- Problem id
- 388d5c0a-a06a-4b19-a645-e015ccee8807
- Proposed action
- Recommended action: Free space / raise quota / restore write access to the transcript location; warning clears on next successful write; messages during the outage may be missing. Option: Fix the named errno [evidence: official_recommended_action] Applies when: Any Steps: 1. ENOSPC: free disk 2. EDQUOT: raise quota 3. EACCES/EPERM/EROFS: restore write access Expected: Warning clears
- Applicability
- Applicability is not yet established (unknown)
- Limitations
- Limitations have not been established (unknown)
- Success criteria
- Not supplied
- Risk notes
- Not supplied
- Lifecycle
- active
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Sources and related records
No source relations recorded.