A 422 response indicates that one of the resource limits has been met. See Rate and resource limiting Rate and resource limiting for details on resource constraints.

{
  "type": "/edgeworkers/error-types/edgeworkers-resource-limit-exceeded",
  "title": "Resource limit exceeded.",
  "detail": "EW ID limit reached for account ID",
  "instance": "/edgeworkers/error-instances/2690f342-xxxx-xxxx-xxxx-f08xxxxb8b35e",
  "status": 422,
  "errorCode": "EW3002"
}