Repair last_error not handling session loading errors

bliss/common/session.py

@@ -766,6 +766,8 @@ class Session:
         # session objects
         self._set_scan_saving(cls=self._config_scan_saving_class)
 
+        self._set_error_report(expert_error_report)
+
         # Instantiate the session objects
         try:
             CURRENT_SESSION.is_loading_config = True
@@ -779,8 +781,6 @@ class Session:
 
         self._register_session_importers(self)
 
-        self._set_error_report(expert_error_report)
-
         self._set_scan_display()
 
         self._additional_variables(env_dict)