@isha_chohan that heavy workflow probably ate all the memory and the instance is stuck, reach out to help@n8n.io and ask them to force-restart your cloud instance — you can’t do it yourself from the editor since it won’t load. mention the workflow that caused it so they can flag it
Hi @isha_chohan if the admin dashboard is available, you can restart your n8n from there, and try this magic link if this works: https://app.n8n.cloud/magic-link
and if that does not work consider reaching out to support as only they can fix the issue related to your n8n instance on the server side: