[Bug] Claude model performance below expected parameters in session

Resolved 💬 2 comments Opened May 5, 2026 by mirelalazar Closed May 12, 2026

Bug Description
Report finding on session and on the fact that claude performed under the expected parameters

Environment Info

  • Platform: darwin
  • Terminal: vscode
  • Version: 2.1.119
  • Feedback ID: b956855b-eb2d-4eac-8ea6-5da574c7dd0b

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/mirela/.local/share/claude/versions/2.1.119 (expected in multi-process scenarios)\n    at mH6 (/$bunfs/root/src/entrypoints/cli.js:2736:2177)\n    at E$8 (/$bunfs/root/src/entrypoints/cli.js:2736:1257)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-05T11:53:42.689Z"},{"error":"Error: 1: Command failed with ERR_STREAM_PREMATURE_CLOSE: code --force --install-extension anthropic.claude-code\nPremature close \n    at vp1 (/$bunfs/root/src/entrypoints/cli.js:1687:4046)\n    at async Lp1 (/$bunfs/root/src/entrypoints/cli.js:1687:1435)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-05T11:53:43.945Z"},{"error":"MaxFileReadTokenExceededError: File content (61632 tokens) exceeds maximum allowed tokens (25000). Use offset and limit parameters to read specific portions of the file, or search for specific content instead of reading the whole file.\n    at qC7 (/$bunfs/root/src/entrypoints/cli.js:4789:12701)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-05T13:05:34.591Z"},{"error":"Error: ensureToolResultPairing: repaired missing tool_result blocks (9 -> 9 messages). Message structure: [0] user; [1] assistant(id=msg_01FmVmEF99Hboy5yTXTnia9J, tool_uses=[toolu_01C7P3FHt7btNy82DHLfcJxv]); [2] user(tool_results=[toolu_01C7P3FHt7btNy82DHLfcJxv]); [3] assistant(id=msg_01ANTh5ZFQdSzycm8s5pmYJi, tool_uses=[toolu_01RVHK194tDUz8cTNtkTRoLa]); [4] user(tool_results=[toolu_01RVHK194tDUz8cTNtkTRoLa]); [5] assistant(id=msg_0123MGZdSwHxi6JS9upY2ELQ, tool_uses=[toolu_01U7vPWKiXMiFGVZ7zirrZNP]); [6] user(tool_results=[toolu_01U7vPWKiXMiFGVZ7zirrZNP]); [7] assistant(id=msg_01JHVRGv4xCi95BN7GMT1WB4, tool_uses=[toolu_01VrNMaVyBwjF4EHTUQn3xrP]); [8] user\n    at Um7 (/$bunfs/root/src/entrypoints/cli.js:5310:10250)\n    at V$K (/$bunfs/root/src/entrypoints/cli.js:8836:10173)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-05T13:13:35.994Z"},{"error":"Error: ensureToolResultPairing: repaired missing tool_result blocks (11 -> 11 messages). Message structure: [0] user; [1] assistant(id=msg_01FmVmEF99Hboy5yTXTnia9J, tool_uses=[toolu_01C7P3FHt7btNy82DHLfcJxv]); [2] user(tool_results=[toolu_01C7P3FHt7btNy82DHLfcJxv]); [3] assistant(id=msg_01ANTh5ZFQdSzycm8s5pmYJi, tool_uses=[toolu_01RVHK194tDUz8cTNtkTRoLa]); [4] user(tool_results=[toolu_01RVHK194tDUz8cTNtkTRoLa]); [5] assistant(id=msg_0123MGZdSwHxi6JS9upY2ELQ, tool_uses=[toolu_01U7vPWKiXMiFGVZ7zirrZNP]); [6] user(tool_results=[toolu_01U7vPWKiXMiFGVZ7zirrZNP]); [7] assistant(id=msg_01JHVRGv4xCi95BN7GMT1WB4, tool_uses=[toolu_01VrNMaVyBwjF4EHTUQn3xrP]); [8] user; [9] assistant(id=c4e6fff5-f4e6-4ab3-af75-a1019aa733bf, tool_uses=[]); [10] user\n    at Um7 (/$bunfs/root/src/entrypoints/cli.js:5310:10250)\n    at V$K (/$bunfs/root/src/entrypoints/cli.js:8836:10173)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-05T13:16:45.091Z"},{"error":"Error: ensureToolResultPairing: repaired missing tool_result blocks (13 -> 13 messages). Message structure: [0] user; [1] assistant(id=msg_01FmVmEF99Hboy5yTXTnia9J, tool_uses=[toolu_01C7P3FHt7btNy82DHLfcJxv]); [2] user(tool_results=[toolu_01C7P3FHt7btNy82DHLfcJxv]); [3] assistant(id=msg_01ANTh5ZFQdSzycm8s5pmYJi, tool_uses=[toolu_01RVHK194tDUz8cTNtkTRoLa]); [4] user(tool_results=[toolu_01RVHK194tDUz8cTNtkTRoLa]); [5] assistant(id=msg_0123MGZdSwHxi6JS9upY2ELQ, tool_uses=[toolu_01U7vPWKiXMiFGVZ7zirrZNP]); [6] user(tool_results=[toolu_01U7vPWKiXMiFGVZ7zirrZNP]); [7] assistant(id=msg_01JHVRGv4xCi95BN7GMT1WB4, tool_uses=[toolu_01VrNMaVyBwjF4EHTUQn3xrP]); [8] user; [9] assistant(id=4b87d77a-f568-4b63-ba1a-5775960b7091, tool_uses=[]); [10] user; [11] assistant(id=74a2f118-d83e-4939-a178-35bd229272bc, tool_uses=[]); [12] user\n    at Um7 (/$bunfs/root/src/entrypoints/cli.js:5310:10250)\n    at V$K (/$bunfs/root/src/entrypoints/cli.js:8836:10173)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-05T13:20:28.674Z"}]

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