diff --git a/instruments/.gitignore b/instruments/.gitignore
index 7a098c9..a4178eb 100644
--- a/instruments/.gitignore
+++ b/instruments/.gitignore
@@ -5,3 +5,5 @@
 /mmoda_nb2w_example/
 /mmoda_euclid/
 /mmoda_icecube/
+/mmoda_photoz_euclid/
+/mmoda_ctaimaging/
\ No newline at end of file
diff --git a/mmoda.info b/mmoda.info
index 2523651..de0f552 100644
--- a/mmoda.info
+++ b/mmoda.info
@@ -1,6 +1,7 @@
 name = MMODA
 description = Multi-Messenger Online Data Analysis
 core = 7.x
+version = 7.x-1.0
 dependencies[] = libraries:libraries (2.x)
 dependencies[] = drupal:block
 dependencies[] = drupal:book
diff --git a/mmoda.install b/mmoda.install
index 71f1243..3f92365 100644
--- a/mmoda.install
+++ b/mmoda.install
@@ -91,14 +91,17 @@ function mmoda_add_custom_fields()
     field_create_field($field);
   }
   foreach (mmoda_help_page_field_default_field_instances() as $instance) {
-    field_create_instance($instance);
+    if(!is_null($instance))
+      field_create_instance($instance);
   }
 }
 
 function mmoda_del_custom_fields()
 {
   foreach (mmoda_help_page_field_default_field_instances() as $instance) {
-    field_delete_instance($instance);
+    if (!is_null($instance)) {
+      field_delete_instance($instance);
+    }
   }
 //   foreach (array_keys(mmoda_help_page_field_default_field_bases()) as $field) {
 //      field_delete_field($field);
@@ -133,6 +136,7 @@ function mmoda_install()
   $module_settings['common']['T2'] = '2017-03-06T15:32:27.0';
   $module_settings['common']['T_format'] = 'isot';
   $module_settings[$module_name . '_debug'] = true;
+  $module_settings['frontend_version'] = mmoda_get_frontend_version();
   $module_settings['modules'] = array();
 
   // Create role for user managers
@@ -171,7 +175,7 @@ function mmoda_install()
   // variable_set('menu_options_'.$help_page_content_type, array(0));
 
   // Add custom fields to book page content type
-  mmoda_add_custom_fields();
+  // mmoda_add_custom_fields();
 
   $book_allowed_types = variable_get('book_allowed_types', array(
     'book'
diff --git a/mmoda.lib.inc b/mmoda.lib.inc
index 683eeb0..716ab90 100644
--- a/mmoda.lib.inc
+++ b/mmoda.lib.inc
@@ -432,6 +432,25 @@ function mmoda_get_users_with_role($role, $active_user = TRUE)
   return $users;
 }
 
+function mmoda_get_frontend_version()
+{
+  $version = '';
+
+  $query = db_select('system', 'sys');
+  $query->addExpression('CONVERT(sys.info USING utf8)', 'info');
+  $query->condition('sys.name', 'mmoda');
+  $query_result = $query->execute()->fetch();
+
+  if (!empty($query_result)) {
+    $unserialized_info = unserialize($query_result->info);
+    $version = "{$unserialized_info['version']}";
+  }
+  else
+      watchdog('MMODA', 'frontened version not found in the database.');
+  
+  return $version;
+}
+
 function _mmoda_write_log_file($filename, $content)
 {
   $filename = '/tmp/' . $filename;
diff --git a/mmoda.module b/mmoda.module
index eb0ed93..e00e4f1 100644
--- a/mmoda.module
+++ b/mmoda.module
@@ -365,11 +365,14 @@ function mmoda_main_block_content()
   // $mmoda_settings ['support_email'] = array('mohamed.meharga@unige.ch');
   // variable_set ( 'mmoda_settings', $mmoda_settings );
 
+  // watchdog('MMODA', 'content of mmoda_settings: ' . var_dump($mmoda_settings));
+
   $items['session_id'] = $session_id;
   $items['session_count'] = $session_count;
   $items['name_resolve_form'] = drupal_get_form('mmoda_name_resolve');
   $items['common_form'] = drupal_get_form('mmoda_common');
   $items['mmoda_debug'] = $mmoda_settings['mmoda_debug'];
+  $items['frontend_version'] = $mmoda_settings['frontend_version'];
   $items['auth_cookie'] = '_oauth2_proxy';
 
   if (empty($mmoda_settings['instruments'])) {
diff --git a/templates/mmoda-main.tpl.php b/templates/mmoda-main.tpl.php
index c9f47f5..71975ac 100644
--- a/templates/mmoda-main.tpl.php
+++ b/templates/mmoda-main.tpl.php
@@ -298,12 +298,21 @@ class="glyphicon glyphicon-info-sign"> </span>
                 </div>
              <?php endforeach; ?>
             </div>
+            <?php if (isset($instruments)): ?>
+              <hr class="hr-default" />
+              <div class="pull-right">version: <?=$frontend_version?></div>
+            <?php endif; ?>
             </div>
           </div>
         </div>
       </div>
     </div>
   <?php endif;?>
+  <?php if (! isset($instruments)): ?>
+    <hr class="hr-default" />
+    <div class="pull-right">version: <?=$frontend_version?></div>
+  <?php endif; ?>
+
 </div>
 </div>