diff --git a/gulliver/system/class.g.php b/gulliver/system/class.g.php
index 24c69f573..75f707ec5 100755
--- a/gulliver/system/class.g.php
+++ b/gulliver/system/class.g.php
@@ -5497,7 +5497,7 @@ class G
     	}
     	if( $flag == 1){
     		$res->status = false;
-    		$res->message = G::LoadTranslation('ID_UPLOAD_ERR_NOT_ALLOWED_EXTENSION' );
+    		$res->message = G::LoadTranslation('ID_UPLOAD_ERR_NOT_ALLOWED_EXTENSION' ) . ' ' . $filesName;
     		return $res;
     	}
     }
diff --git a/workflow/engine/methods/cases/cases_SaveData.php b/workflow/engine/methods/cases/cases_SaveData.php
index cceccf10c..2dfe5fc69 100644
--- a/workflow/engine/methods/cases/cases_SaveData.php
+++ b/workflow/engine/methods/cases/cases_SaveData.php
@@ -280,15 +280,29 @@ try {
                         //Get the Custom Folder ID (create if necessary)
                         $oFolder = new AppFolder();
 
-                        //***Validating the file allowed extensions***
-                        $res = G::verifyInputDocExtension($aID['INP_DOC_TYPE_FILE'], $_FILES["form"]["name"]["input"], $_FILES["form"]["tmp_name"]["input"]);
-                        if($res->status == 0){
-                        	$message = $res->message;
-                        	G::SendMessageText( $message, "ERROR" );
-                        	$backUrlObj = explode( "sys" . SYS_SYS, $_SERVER['HTTP_REFERER'] );
-                        	G::header( "location: " . "/sys" . SYS_SYS . $backUrlObj[1] );
-                        	die();
-                        }
+						//***Validating the file allowed extensions***
+						if(is_array($_FILES["form"]["name"][$fieldIndex])){
+							for ($i=0; $i<sizeof($_FILES["form"]["name"][$fieldIndex]); $i++){
+								$res = G::verifyInputDocExtension($aID['INP_DOC_TYPE_FILE'], $_FILES["form"]["name"][$fieldIndex][$i+1][$arrayField[$i]["grdFieldName"]], $_FILES["form"]["tmp_name"][$fieldIndex][$i+1][$arrayField[$i]["grdFieldName"]]);
+								if($res->status == 0){
+									$message = $res->message;
+									G::SendMessageText( $message, "ERROR" );
+									$backUrlObj = explode( "sys" . SYS_SYS, $_SERVER['HTTP_REFERER'] );
+									G::header( "location: " . "/sys" . SYS_SYS . $backUrlObj[1] );
+									die();
+								}
+							}
+							die;
+						} else {
+							$res = G::verifyInputDocExtension($aID['INP_DOC_TYPE_FILE'], $_FILES["form"]["name"][$fieldIndex], $_FILES["form"]["tmp_name"][$fieldIndex]);
+							if($res->status == 0){
+								$message = $res->message;
+								G::SendMessageText( $message, "ERROR" );
+								$backUrlObj = explode( "sys" . SYS_SYS, $_SERVER['HTTP_REFERER'] );
+								G::header( "location: " . "/sys" . SYS_SYS . $backUrlObj[1] );
+								die();
+							}
+						}
 
                         $aFields = array ("APP_UID" => $_SESSION["APPLICATION"],"DEL_INDEX" => $_SESSION["INDEX"],"USR_UID" => $_SESSION["USER_LOGGED"],"DOC_UID" => $indocUid,"APP_DOC_TYPE" => "INPUT","APP_DOC_CREATE_DATE" => date( "Y-m-d H:i:s" ),"APP_DOC_COMMENT" => "","APP_DOC_TITLE" => "","APP_DOC_FILENAME" => $arrayFileName[$i],"FOLDER_UID" => $oFolder->createFromPath( $aID["INP_DOC_DESTINATION_PATH"] ),"APP_DOC_TAGS" => $oFolder->parseTags( $aID["INP_DOC_TAGS"] ),"APP_DOC_FIELDNAME" => $fieldName);
                     } else {