Errors

not_a_number

That is a Facebook Page, not a number

A Page and an Instagram account are named by Meta, and Njiwa shows the name Meta gives them - so a name set here would be a field you edit and never see again.

What to do

Rename it on Facebook or Instagram and it follows here on its own.

The shape

{
  "error": {
    "type": "...",
    "code": "not_a_number",
    "message": "...",
    "docs": "https://docs.njiwa.upeo.ai/errors/not_a_number"
  }
}