Why flagged conversations cannot be deleted
Some chat messages go through automated moderation checks. If a conversation contains flagged content, ISMS Copilot keeps that thread available for audit review and blocks manual deletion.
If you try to delete a flagged thread, you will see this message: “This conversation cannot be deleted. Please contact support.”
When a conversation cannot be deleted
ISMS Copilot allows normal conversation deletion in most cases. Deletion is blocked only when at least one message in the thread has been flagged by moderation.
This restriction exists so flagged content remains available for safety and compliance review. It also preserves the audit trail tied to the moderation event.
For general conversation management, see Managing Your Conversations. For the broader moderation policy, see Content Moderation & Safety - ISMS Copilot.
Moderation categories that can flag chat messages
ISMS Copilot uses Mistral moderation filters for chat message safety checks. A message can be flagged in these categories:
Sexual
Hate and discrimination
Violence and threats
Dangerous and criminal content
Self-harm
Jailbreaking
These checks run in the background after a message is sent. They do not block the message before it appears in the conversation.
What happens after content is flagged
When a message is flagged, ISMS Copilot records a private moderation event and keeps the related thread for audit review. The conversation stays available so the event can be reviewed in context.
Flagged conversations may be retained longer than your normal chat retention settings when needed for safety, legal, or compliance review. This audit-review exception also applies when Advanced Data Protection Mode - ISMS Copilot is enabled.
A flagged thread is not a normal deletion candidate. If the system has recorded a moderation event for that conversation, the delete action stays disabled until the review requirement no longer applies.
How admins are notified
When content is flagged, ISMS Copilot sends an automated email alert to the security team for review. To reduce duplicate alerts, those notifications are rate-limited.
Email notification is the confirmed admin alert path for flagged chat messages.
Troubleshoot the “cannot delete” message
Confirm that you are deleting the full conversation, not trying to remove a single message.
If the toast says the conversation cannot be deleted, assume the thread contains a flagged moderation event.
Keep the conversation available for review and do not rely on manual deletion to remove it from the audit trail.
Contact support if you need help understanding why the thread is retained.
If you need to reduce routine conversation storage, review your retention settings in Managing Your Conversations and the broader privacy controls in Security & Data Protection Overview.
What’s next
If you are reviewing safety and privacy settings together, read Content Moderation & Safety - ISMS Copilot and Advanced Data Protection Mode - ISMS Copilot.