I was using the online FHIR resource validator sometime back it was working . But now it is throwing exception while trying to validate a FHIR Validator.please see below error.
Validation error:
- : Error loading /root/.fhir/packages/hl7.fhir.r4b.core#4.3.0/package/StructureDefinition-Appointment.json: Unknown FHIRVersion code ‘4.3.0’ on line 1. Jump to error.