diff --git a/datamodels/2.x/combodo-data-feature-removal/templates/AjaxRunAudit.html.twig b/datamodels/2.x/combodo-data-feature-removal/templates/AjaxRunAudit.html.twig
index 9a4baf349e..7ecd325e10 100644
--- a/datamodels/2.x/combodo-data-feature-removal/templates/AjaxRunAudit.html.twig
+++ b/datamodels/2.x/combodo-data-feature-removal/templates/AjaxRunAudit.html.twig
@@ -26,7 +26,7 @@
             {% EndUIToolbar %}
         {% EndUIForm %}
     {% else %}
-        {% UIAlert ForFailure { sTitle: 'aze', sContent: 'DataFeatureRemoval:DeletionPlan:Error:Issues'|dict_s } %}{% EndUIAlert %}
+        {% UIAlert ForFailure { sTitle: '', sContent: 'DataFeatureRemoval:DeletionPlan:Error:Issues'|dict_s } %}{% EndUIAlert %}
     {% endif %}
 {% else %}
     {% UIAlert ForSuccess { sTitle:'DataFeatureRemoval:CleanupComplete:Title'|dict_s, sContent:'DataFeatureRemoval:CompilComplete'|dict_s } %}{% EndUIAlert %}
diff --git a/datamodels/2.x/combodo-data-feature-removal/templates/AnalysisResult.ready.js.twig b/datamodels/2.x/combodo-data-feature-removal/templates/AnalysisResult.ready.js.twig
index 47fa4ba20c..c1539c2d80 100644
--- a/datamodels/2.x/combodo-data-feature-removal/templates/AnalysisResult.ready.js.twig
+++ b/datamodels/2.x/combodo-data-feature-removal/templates/AnalysisResult.ready.js.twig
@@ -19,6 +19,7 @@ function ajax_run_audit() {
         }
     )
     .fail(function() {
+        $('#ajax_run_audit_in_progress_msg').addClass('ibo-is-hidden');
         $('#ajax_run_audit_error_msg .ibo-alert--title').html('{{ 'DataFeatureRemoval:RunAudit:Error'|dict_s }}');
         $('#ajax_run_audit_error_msg').removeClass('ibo-is-hidden');
     });
@@ -46,6 +47,7 @@ function ajax_compile() {
         'json'
     )
     .fail(function() {
+        $('#ajax_compile_in_progress_msg').addClass('ibo-is-hidden');
         $('#ajax_compile_error_msg .ibo-alert--title').html('{{ 'DataFeatureRemoval:Compile:Error'|dict_s }}');
         $('#ajax_compile_error_msg').removeClass('ibo-is-hidden');
     });
diff --git a/sources/Service/Session/SessionParameters.php b/sources/Service/Session/SessionParameters.php
index 55257a7665..7d3a1647e4 100644
--- a/sources/Service/Session/SessionParameters.php
+++ b/sources/Service/Session/SessionParameters.php
@@ -45,7 +45,7 @@ class SessionParameters
 	 */
 	public function SetParameter($sParamCode, $value): void
 	{
-		if (!isset($this->aParameters[$sParamCode]) || $this->aParameters[$sParamCode] !== $value) {
+		if (!array_key_exists($sParamCode, $this->aParameters) || $this->aParameters[$sParamCode] !== $value) {
 			$this->aParameters[$sParamCode] = $value;
 			$this->Save();
 		}