{"version":"2.1.296","anchor":"edit-validation-adds-a-new-refusal-errorcode-15","canonical_anchor":"edit-validation-adds-a-new-refusal-errorcode-15","heading":"The Edit tool can refuse an edit in one more case","tier":"notice","area":"File Editing","scope":"individual","heads_up":false,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.296\/e\/edit-validation-adds-a-new-refusal-errorcode-15","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.296","markdown":"### The Edit tool can refuse an edit in one more case\n\nClaude Code's Edit tool has a new condition under which it refuses an edit, checked after its stale-file checks\n\n**Unclear.** The condition behind the new refusal and the message it shows are not stated.\n\n**What**\n\nEdit is the tool Claude uses to change part of a file. Before applying a change, it runs checks such as whether the file has changed since Claude last read it. A new check now runs after those, and when it fails the edit is refused.\n\n**Why**\n\nIn practice, Claude may see an edit rejected where it previously would have gone through.\n\n- Area: File Editing\n- Tier: You'll notice\n- Useful: 1\/5\n- Signal: 2\/5\n- Scope: individual\n- Heads-up: no"}