QRadar SOAR: Artifact is not created because the value is invalid

An error occurred while processing the action acknowledgement. Additional information: Unable to run Script 'entities post-process' from Playbook 'Sentinel Incident Sync' due to the following errors: The Script is unable to update the Incident 'Sentinel Incident 123456 - Microsoft Defender Threat Intelligence Analytics' because: The value for the artifact type URL is invalid: www.domain.com.

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