[Bug] File Modification Conflict: Unexpected Write Prevention Mechanism

Bug Description
Claude Code keeps sending me this error:  Error: File has been unexpectedly modified. Read it again before attempting to write it. when tries to update any file

Environment Info

• Platform: win32
• Terminal: mintty
• Version: 1.0.119
• Feedback ID: 1e2d0040-92a8-41c2-8b98-a80ed4383cbe

Errors

[{"error":"Error: File has been unexpectedly modified. Read it again before attempting to write it.\n    at Object.call (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1902:782)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async kW5 (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:21036)\n    at async tEB (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:17318)\n    at async SW5 (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:16181)\n    at async PW5 (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:15718)\n    at async dO (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:12733)\n    at async dO (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:13646)\n    at async dO (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:13646)\n    at async dO (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:13646)","timestamp":"2025-09-19T12:07:27.484Z"},{"error":"Error: File has been unexpectedly modified. Read it again before attempting to write it.\n    at Object.call (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1903:3154)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async kW5 (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:21036)\n    at async tEB (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:17318)\n    at async SW5 (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:16181)\n    at async PW5 (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:15718)\n    at async dO (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:12733)\n    at async dO (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:13646)\n    at async dO (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:13646)\n    at async dO (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:13646)","timestamp":"2025-09-19T12:09:32.589Z"},{"error":"Error: File has been unexpectedly modified. Read it again before attempting to write it.\n    at Object.call (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1903:3154)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async kW5 (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:21036)\n    at async tEB (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:17318)\n    at async SW5 (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:16181)\n    at async PW5 (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:15718)\n    at async dO (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:12733)\n    at async dO (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:13646)\n    at async dO (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:13646)\n    at async dO (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:13646)","timestamp":"2025-09-19T12:15:06.276Z"},{"error":"Error: File has been unexpectedly modified. Read it again before attempting to write it.\n    at Object.call (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1903:3154)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async kW5 (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:21036)\n    at async tEB (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:17318)\n    at async SW5 (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:3350:16181)\n    at async PW5 (file:///C:/Users/luizr/AppData/Roaming/npm/node_modules/@anthropic

Note: Error logs were truncated.