private String getLocation(JsonNode message) {
        if (message == null) {
            return null;
        }
        JsonNode instance = message.get("instance");
        if (instance == null) {
            return null;
        }
        JsonNode pointer = instance.get("pointer");
        if (pointer == null) {
            return null;
        }
        return pointer.asText();
    }
@param processingReport
@return user friendly error message
workflow-controller/controller-service/src/main/java/io/hyscale/controller/validator/SpecSchemaValidator.java