Error catalogueSign-in at the EHR
Callback came from a different server
What it means
The iss parameter names another authorization server — a mix-up an app must reject.
Fix
Check the FHIR base URL matches the EHR you signed in to.
Check it with smart-doctor
Run your login and smart-doctor ranks this cause against the others, with the evidence it found.
npx smart-doctor check my-profile