I have a ZOHO Flow that receives a webhook from ZOHO CRM and send the contact to a certain list in ZOHO Campaign.

For some reason the flow fails many times and automatically shuts down. Although the flow failed the contact is send to ZOHO Campaigns. So it seems to be working fine. But because it is an error the flow stops automatically.

When I look to the cause I only get the following message:  Zoho Campaigns says "".

What is the reason that the flow gives an error but does work? And how can I prevent that the flow shust down automatically?

Thanks in advance for your help