Troubleshooting Your Claude React artifact renders a blank Preview with no error banner. The fastest fix: open DevTools console (or click 'Try fixing with Claude') to read the swallowed exception. Full cause-by-cause debug guide.
Troubleshooting You hand-edit an artifact, send one more message, and it snaps back to a version from three turns ago. The fix: your in-panel edits never reached Claude's memory. Recover them from the versions dropdown and stop it recurring.
Troubleshooting Claude shows the attachment tile but no preview thumbnail. Usually a render lag, an unsupported format (HEIC/TIFF), or a stale cache. Fastest fix and full diagnosis here.
Troubleshooting A Claude citation link 404s or lands on the wrong article. Usually URL reshaping, an expired snapshot, or a paywall — how to rescue the real source and verify the fact.
Troubleshooting Claude Computer Use keeps clicking the same button or field without progressing — almost always a screenshot-timing, coordinate-scaling, or hidden-state problem. Here is the fastest fix plus the full diagnosis.
Troubleshooting Print to PDF gives a blank page, or your Settings > Privacy data export never emails a link. Usually a long thread, a failing artifact, or a stuck export job — here is the exact fix for each.
Troubleshooting Claude's Google Drive connector asks you to reauthorize after every query even though it shows 'Connected' — usually third-party cookies, a missing refresh token, or a Workspace token policy. Here is the diagnostic path.
Troubleshooting Memory is enabled but Settings shows 'No memories yet' and Claude never references past chats. The usual cause: only 'Search and reference chats' is on, not 'Generate memory from chat history'. Here is the fix.
Troubleshooting Claude reads a PDF but table cells land in the wrong columns, rows merge, or numbers shift one header over. Here is the fastest fix plus a cause-by-cause repair for both the source file and the prompt.
Troubleshooting You enabled extended thinking and Claude replies instantly with no visible reasoning. As of June 2026 it is usually a low effort level, an easy prompt under adaptive thinking, a collapsed trace, or plan limits. Diagnose and force thinking back on.
Troubleshooting The artifact opens but shows white. Fastest fix: open the iframe console, copy the red error, paste it back to Claude. Covers sandbox storage errors, the cdnjs allowlist, and the published-artifact origin bug.
Troubleshooting Claude shows the spinner forever and the file never attaches. The usual culprit is a PDF over 100 pages or a browser extension breaking the upload — here is how to tell which one and fix it.
Troubleshooting A new chat in the same Claude Project answers from an earlier chat's content. Five surfaces leak differently — project knowledge, instructions, project memory, Search and reference chats, and connected sources. Diagnose which one, then fix it.
Troubleshooting Claude answered in plain prose instead of running your Skill. Usually the SKILL.md description is too vague, the Skill isn't enabled on this surface, it has disable-model-invocation set, or it got dropped from Claude Code's skill budget. Fixes verified June 2026.
Troubleshooting Invoice charges 10 seats but the admin panel shows 7 members. The usual causes: pending invites bill immediately, Premium seats cost 5x Standard, and mid-cycle removals are paid but freed for reassignment. How to reconcile, as of June 2026.
Troubleshooting The tool-call spinner keeps spinning — no result, no timeout, no error. Usually a missing tool_result, a pause_turn from web search, the Claude Desktop render bug, or a dropped MCP connector. Diagnose by surface and unstick.
Troubleshooting Artifact download does nothing or drops a 0-byte file. Fix it: wait for the stream to finish, disable blockers, or have Claude paste the content.
Troubleshooting Claude in Chrome shows connected but says it can't see the page? Fix per-site permission, SPA/Canvas pages, wrong active tab, and the Cowork conflict.
Troubleshooting After 50+ turns Claude contradicts itself or forgets decisions. Why it happens, how to spot which cause you have, and the fastest reset that fixes it.
Troubleshooting Claude keeps looping on 429 rate_limit_exceeded — read retry-after, cap concurrency, separate 429 from 529, and stay under your tier's RPM/ITPM/OTPM.
Troubleshooting A Claude tool greys out or shows "unavailable in your workspace." Triage status, plan, and admin policy in the right order to get it back fast.