diff --git a/Gemfile.lock b/Gemfile.lock
index 2964125742..cf4f1ff835 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,6 +1,6 @@
 GIT
   remote: https://github.com/ontoportal-lirmm/ontologies_api_ruby_client.git
-  revision: 0db56d748a1574450ebeb5f67429cd0b766cf932
+  revision: 1fcf35adcb8955d6b2d48ed08055d31cb00cd3c2
   branch: feature/federate-multiple-apis
   specs:
     ontologies_api_client (2.2.0)
@@ -174,7 +174,7 @@ GEM
     flamegraph (0.9.5)
     globalid (1.2.1)
       activesupport (>= 6.1)
-    graphql (2.3.2)
+    graphql (2.3.3)
       base64
     graphql-client (0.22.0)
       activesupport (>= 3.0)
@@ -349,7 +349,7 @@ GEM
     omniauth-orcid (2.1.1)
       omniauth-oauth2 (~> 1.3)
       ruby_dig (~> 0.0.2)
-    omniauth-rails_csrf_protection (1.0.1)
+    omniauth-rails_csrf_protection (1.0.2)
       actionpack (>= 4.2)
       omniauth (~> 2.0)
     open_uri_redirections (0.2.1)
diff --git a/app/controllers/concerns/submission_filter.rb b/app/controllers/concerns/submission_filter.rb
index e61aa2be41..a581f3b7f6 100644
--- a/app/controllers/concerns/submission_filter.rb
+++ b/app/controllers/concerns/submission_filter.rb
@@ -30,6 +30,8 @@ def submissions_paginate_filter(params)
 
     @ontologies = LinkedData::Client::Models::Ontology.all(include: 'all', also_include_views: true, display_links: false, display_context: false)
 
+    @ontologies, @errors = @ontologies.partition { |x| !x.errors }
+
     # get fair scores of all ontologies
     @fair_scores = fairness_service_enabled? ? get_fair_score('all') : nil
     submissions = submissions.reject { |sub| sub.ontology.nil? }.map { |sub| ontology_hash(sub) }
@@ -67,7 +69,7 @@ def ontologies_filter_url(filters, page: 1, count: false)
   def filter_using_data(ontologies, query:, status:, show_views:, private_only:, languages:, page_size:, formality_level:, is_of_type:, groups:, categories:, formats:)
     submissions = LinkedData::Client::Models::OntologySubmission.all(include: BROWSE_ATTRIBUTES.join(','), also_include_views: true, display_links: false, display_context: false)
 
-    submissions = submissions.map { |x| [x[:ontology][:id], x] }.to_h
+    submissions = submissions.map { |x| x[:ontology] ? [x[:ontology][:id], x] : nil}.compact.to_h
 
     submissions = ontologies.map { |ont| ontology_hash(ont, submissions) }
 
diff --git a/app/views/ontologies/browser/_ontologies.html.haml b/app/views/ontologies/browser/_ontologies.html.haml
index fec4643834..06d44d362f 100644
--- a/app/views/ontologies/browser/_ontologies.html.haml
+++ b/app/views/ontologies/browser/_ontologies.html.haml
@@ -6,7 +6,12 @@
   - if @page.page.eql?(1)
     = content_tag(:p, class: "browse-desc-text", style: "margin-bottom: 12px !important;") do
       #{t("ontologies.showing_ontologies_size", ontologies_size: @count, analytics_size: @total_ontologies, portals: request_portals_names.join(', ').html_safe).html_safe} (#{sprintf("%.2f", @time)}s)
-
+    - unless @errors.blank?
+      %div.my-1
+        = render Display::AlertComponent.new(type: 'danger') do
+          -  @errors.each do |e|
+            %div
+              = e.errors || e
   - ontologies = c.collection
   - ontologies.each do |ontology|
     - config = ontology_portal_config(ontology[:id])&.last || {}