{"version":"2.1.304","anchor":"file-upload-refusal-uploads-off-message","canonical_anchor":"file-upload-refusal-uploads-off-message","heading":"Claude tells you when file attachments are switched off mid-session","tier":"notice","area":"File Attachments","scope":"individual","heads_up":false,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.304\/e\/file-upload-refusal-uploads-off-message","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.304","markdown":"### Claude tells you when file attachments are switched off mid-session\n\nWhen attaching files is no longer allowed in a session, Claude now gets a clear message to tell you and not to retry\n\n**Unclear.** What causes attachments to be switched off during a session is not known.\n\n**What**\n\nClaude Code can now refuse a file attachment with this message to the model: \"Attaching files here is no longer allowed in this session. Tell the user; do not retry.\" A session is one conversation with Claude Code.\n\n**Why**\n\nWhen uploads are turned off partway through a conversation, Claude should say so to you instead of trying the same upload again and again.\n\n- Area: File Attachments\n- Tier: You'll notice\n- Useful: 1\/5\n- Signal: 2\/5\n- Scope: individual\n- Heads-up: no"}