⟐ Claude Code/2026-05-25Intermediate
How I Stopped Claude Code's 'File has been modified since read' Error From Recurring
If Claude Code keeps tripping over 'File has been modified since read it' partway through a long session, the cause usually narrows down to three settings. Here is what actually worked in my own setup.
⟐ Claude Code/2026-05-24Intermediate
When Claude Code's Sequential Edits Cascade into Failure — Fixing 'old_string not found' and 'not unique' on the Same File
Run several Edits against the same file in one turn and the second or third one suddenly fails with 'not found' or 'not unique'. The cause is order-dependence inside a single context snapshot, and a Read + scoped patches usually rescue it.
⟐ Claude Code/2026-05-02Intermediate
Stop the 'old_string is not unique' Error in Claude Code's Edit Tool — A Practical Rewrite Strategy
When Claude Code's Edit tool throws 'old_string is not unique in the file', the root cause is usually that the prompt didn't guarantee a uniquely identifiable target. Here's how to design rewrites that actually stick.