update on sorting order preference is not important

CHANGELOG

@@ -6,6 +6,8 @@ minerva (15.1.2) stable; urgency=medium
     in error (#1440)
   * Bug fix: colors for values in exported image were incorrect for
     intermediate values, like 0.5 (#1442)
+  * Bug fix: when there is a problem with updating sorting preferences no error
+    is raised but silent warning is reported in the console (#1426)
 
  -- Piotr Gawron <piotr.gawron@uni.lu>  Thu, 7 Jan 2021 15:00:00 +0200
 

frontend-js/src/main/js/gui/admin/AbstractAdminPanel.js

@@ -11,7 +11,9 @@ var GuiConnector = require('../../GuiConnector');
 
 var logger = require('../../logger');
 var Functions = require('../../Functions');
+var NetworkError = require('../../NetworkError');
 var Promise = require("bluebird");
+var HttpStatus = require('http-status-codes');
 
 /**
  *
@@ -67,7 +69,14 @@ AbstractAdminPanel.prototype.bindUserGuiPreference = function (params) {
 
         var data = new UserPreferences();
         data.setGuiPreference(params.preferenceName, newValue);
-        return self.getServerConnector().updateUserPreferences({user: user, preferences: data});
+        return self.getServerConnector().updateUserPreferences({user: user, preferences: data})
+          .catch(function (error) {
+            if (error instanceof NetworkError && error.statusCode === HttpStatus.CONFLICT) {
+              logger.warn("Problem with updating preference");
+            } else {
+              throw error;
+            }
+          });
       }
     }).catch(GuiConnector.alert);
   });