diff --git a/workflow/engine/classes/class.AppSolr.php b/workflow/engine/classes/class.AppSolr.php
index 37312e958..ba53d3143 100644
--- a/workflow/engine/classes/class.AppSolr.php
+++ b/workflow/engine/classes/class.AppSolr.php
@@ -1980,6 +1980,12 @@ class AppSolr
       }
       else {
         foreach ($UnSerializedCaseData as $k => $value) {
+            //This validation is only for the 'checkbox' control for the BPMN forms, 
+            //the request is not made to the database to obtain the control 
+            //associated with the variable so as not to decrease the performance.
+            if (is_array($value) && count($value) === 1 && isset($value[0]) && !is_object($value[0]) && !is_array($value[0])) {
+                $value = $value[0];
+            }
           if (! is_array ($value) && ! is_object ($value) && $value != '' && $k != 'SYS_LANG' && $k != 'SYS_SKIN' && $k != 'SYS_SYS') {
             // search the field type in array of dynaform fields
             if (! empty ($dynaformFieldTypes) && array_key_exists (trim ($k), $dynaformFieldTypes)) {