Instagram upload automation, failing at creating a bucket on instagram

Questions
1

Hello :waving_hand:

Problem

I am trying to create a workflow, to upload posts automatically to instagram. I am failing at the step which should create an IG container.
I followed the steps showed in 2 different youtube videos (I thought watching redundant content might help for debugging)

and now I am a bit stuck. I originally got a different error, but now it’s more detailed, so I believe I had a credential issue that is now fixed. But the rest looks exactly like in the tutorial and still fails, and the error message is not the greatest indicator on what’s failing, so I am a bit stuck.

What is the error message (if any)?

{ "error": { "message": "Unsupported post request. Object with ID '(replacedIdWasANumberInTheOriginalMessage)' does not exist, cannot be loaded due to missing permissions, or does not support this operation. Please read the Graph API documentation at https://developers.facebook.com/docs/graph-api", "type": "GraphMethodException", "code": 100, "error_subcode": 33, "fbtrace_id": "AU1R3HxdiP-BcGLQLVhQ3E8" } }

Please share your workflow

Expected output

Should return a bucket id

Information on your n8n setup

  • n8n version: 1.100.1
  • Database (default: SQLite): None
  • n8n EXECUTIONS_PROCESS setting (default: own, main):
  • Running n8n via (Docker, npm, n8n cloud, desktop app): self hosted on railway.app
  • Operating system: Windows 11 Home
2

Make sure your Instagram is a Business account and properly connected to a Facebook Page through the Meta Business Suite. Also, double-check that your access token has the right permissions (like instagram_basic, pages_show_list, and ads_management) and hasn’t expired. The error usually means the API can’t find or access what it needs — often due to a mismatch in IDs or missing connections. Once those are sorted, the IG container should create without issues.

3

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