[Bug] Safety filter incorrectly triggered on null reference debugging request

Status Open
Reported on v2.1.222
Maintainer reply None cached
Activity 0 comments · opened Aug 12, 2026

Bug Description
Fable 5 safeguards are easily triggered for silly reasons. For example, when I ask it to check why a button is null. This is not the first or second time it happens and it is starting to feel silly

Environment Info

  • Platform: win32
  • Terminal: vscode
  • Version: 2.1.222
  • Feedback ID: f61585c8-dd7f-479d-8437-934e257775ee

Errors

[{"error":"TelemetrySafeError: VirtualMessageList: itemKeys/messages length desync (keys=30 messages=29 range=[0,30))\n    at h8S (B:/~BUN/root/src/entrypoints/cli.js:22821:8181)\n    at VJf (B:/~BUN/root/src/entrypoints/cli.js:22821:1103)\n    at En (B:/~BUN/root/src/entrypoints/cli.js:2543:21369)\n    at oT (B:/~BUN/root/src/entrypoints/cli.js:2543:40466)\n    at PF (B:/~BUN/root/src/entrypoints/cli.js:2543:51390)\n    at K$e (B:/~BUN/root/src/entrypoints/cli.js:2543:89052)\n    at Vke (B:/~BUN/root/src/entrypoints/cli.js:2543:87996)\n    at q$e (B:/~BUN/root/src/entrypoints/cli.js:2543:87815)\n    at sP (B:/~BUN/root/src/entrypoints/cli.js:2543:84072)\n    at Je (B:/~BUN/root/src/entrypoints/cli.js:2543:6665)","timestamp":"2026-08-10T04:33:37.368Z"}]

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