E04092 — EmailTemplateContactAmbiguous

More than one contact matches a recipient email address.

• HTTP status: 422
• Type: validation_error
• Name: EmailTemplateContactAmbiguous

What to do

Update the duplicate contacts in this workspace so the recipient address identifies one contact, then retry the send.

Operations that resolve this:

• List contacts
• Update a contact

Related

• E04xxx — Email sending & delivery: every code in this range
• Errors: the full wire contract, status mapping, and error catalog
• Error handling: branching on type and code, validation details, and vendor_code