[Bug] Claude 3.5 Opus model exhibits increased hallucination rate
Status Open
Reported on v2.1.228
Maintainer reply None cached
Activity 0 comments · opened Aug 13, 2026
Bug Description
Opus 5 has a huge communication issue, this increase the hallucination level
Environment Info
- Platform: win32
- Terminal: null
- Version: 2.1.228
- Feedback ID: 8bd055b4-e386-479c-889e-e38144d09df7
Errors
[{"error":"TelemetrySafeError: VirtualMessageList: itemKeys/messages length desync (keys=38 messages=37 range=[0,38))\n at DrE (B:/~BUN/root/src/entrypoints/cli.js:23308:33100)\n at R2m (B:/~BUN/root/src/entrypoints/cli.js:23308:26024)\n at Co (B:/~BUN/root/src/entrypoints/cli.js:1985:21352)\n at gu (B:/~BUN/root/src/entrypoints/cli.js:1985:40441)\n at B_e (B:/~BUN/root/src/entrypoints/cli.js:1985:51364)\n at Rie (B:/~BUN/root/src/entrypoints/cli.js:1985:89049)\n at G_e (B:/~BUN/root/src/entrypoints/cli.js:1985:87997)\n at fee (B:/~BUN/root/src/entrypoints/cli.js:1985:87816)\n at KN (B:/~BUN/root/src/entrypoints/cli.js:1985:84078)\n at Ye (B:/~BUN/root/src/entrypoints/cli.js:1985:6655)","timestamp":"2026-08-12T17:19:02.515Z"}]